Annotated Bibliography On Multimedia Security - 1626 Words

Multimedia security is ever demanding area of research covering different aspects of electrical engineering and computer science. In this chapter, our main focus is encryption of JPEG2000 compatible images. Though both stream and block cipher have been investigated in the literature, but this chapter provides a detailed study of block cipher as applied to images, since JPEG2000 generates various subband sizes as blocks. In the first section, we briefly define various encryption components like wavelet transform, bit plane decomposition, XOR operation, artificial neural network, seed key generator and chaotic map functions, for interest of the reader. Later in section 2, we present literature review of various encryption techniques from two perspectives: applications to highlight scope of research in this domain; and approaches to provide overall view of multimedia encryption. The section three provides a new two-layer encryption technique for JPEG2000 compatible images. The first ste p provides a single layer of encryption using a neural network to generate a pseudo-random sequence with a 128-bit key, which XORs with bit planes obtained from image subbands to generate encrypted sequences. The second step develops another layer of encryption using a cellular neural network with a different 128-bit key to develop sequences with hyper chaotic behavior. These sequences XOR with selected encrypted bit planes (obtained in step 1) to generate doubly-encrypted bit planes. Finally,Show MoreRelatedEssay about Annotated Bibliography on Information Technology768 Words   |  4 PagesAnnotated Bibliography on Information Technology Mobile Security in the Future Adesina, A. O., Agbele, K. K., Februarie, R., Abidoye, A. P., amp; Nyongesa, H. O. (2011). Ensuring the security and privacy of information in mobile health-care communication systems. South African Journal of Science, 107(9), 26-32. 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What Do the Flashbacks Sequences in ‘Death of a Salesman’...

The word expressionist has been applied to Arthur Miller as a playwright. This is relatively accurate as ‘Death of a Salesman’ features some of the early expressionist characteristics such as Miller dramatizing the sufferings of his characters. Willy is the character that suffers most and it is dramatized at different points in his life. For example when Willy is first made to work on commission and then is not even allowed to work on commission. Miller also likens his characters to mythic figures in history. An example of this is during the first flashback Willy compares Biff and Happy to the mythical Greek figures Adonis and Hercules. He does this because Willy believes the boys are the pinnacle of personal attractiveness, to him they†¦show more content†¦He tries to kill himself by inhaling gas. This is ironic as gas is a necessity that Willy strives to provide his family with. Literal death by inhaling gas parallels the metaphorical death Wily feels to affor d such a basic necessity. Willy’s strange feelings towards the condition of Linda’s stockings is due to Willy giving new stockings to The Women in the Boston hotel room and his wife having to mend old stockings. This is a symbol of Willy’s false values. New stockings are important for both Willy’s pride in being financial successful and that he can provide for his Wife and his family. Providing new stockings for Linda also helps to ease Willy’s guilt and helps him suppress the memory of his betrayal of Linda and Biff. When Willy plants the seeds to prove to himself and his family the worth of his labor. He realizes that he has nothing to leave to children when he is dead and this saddens him because he knows he will not be able to help his children any more than his own abandoning father helped him. His attempt to grown vegetables signifies his shame about providing barely enough food for his family. The seeds also symbolize Willy’s failure as a parent. Although Willy believes the American dream will make Biff successful, Willy’s parenting has changed Biff from a successful American football player to a â€Å"lazy bum.† During the first flashback Willy remembers a time when the boys were young. At the time when the boys were washing the car

The Political Risks Of International Business Environment...

First of all, doing international business can involve various factors of risks which are different from those encountered domestically and generally increased by the actions of government across nations which are: Political Risk Traditional political risk theories often focus on a developing host country government s ability to intervene in the activities of foreign multinationals in the extractive or infrastructure sectors. This results in inadequate understanding of (1) how a government s motivation to intervene is influenced by the broader societal context, (2) the importance of multinationals political risk at home, and (3) the increasing political risk faced by high-tech and service firms (Stevens, Xie, Peng, 2015). Political risk generally occurs when there is a major political instability result from the government’s actions at the export destination which could cause drastic changes in a country’s business environment that would affect the profit and goals of a business enterprise. This type of sovereign risk could include changes in government policies, defaults on payments, or in extreme cases, revolution and civil war. This risk greatly increases the cost and risk of doing international business with an example of the interactions of Google and Yahoo with the Chinese government that created political risk both in China and despite being powerful firms from powerful home country, Yahoo and Google wound up experienced more political risk than lessShow MoreRelatedPolitical Environment in International Marketing Essay example1401 Words   |  6 PagesPolitical Environment in International Marketing THE POLITICAL ENVIRONMENT: The critical concern Political environment has a very important impact on every business operation no matter what its size, its area of operation. Whether the company is domestic, national, international, large or small political factors of the country it is located in will have an impact on it. 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As there is no existing single political and legal environment because of its complexity on a variety of levels, the political and legal environment will be referred to as one concept in this paper. The political and legal aspects will be discussed in relation to the domestic and international environment. In order to have a grasp of the factors at play, thisRead MoreThe Legal And Political Environment701 Words   |  3 PagesDescription The definition of legal and political environmental base on business dictionary is government actions which affects the operations of a company or business. These actions may be on local, regional, national or international level. (BusinessDictionary.com, 2015) The legal and political environment can impact business organizations in many ways. It could add a risk factor and lead to a major loss. Company should understand that the political factors have the power to change results. 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Maria Theresa of Prussian law Free Essays

Starting in and around the year 1740 with the crowning of Maria Theresa as empress, began the buildup of the Prussian army. In the eighteenth century commenced the rein of the â€Å"Prince of Prussia†. By mid century, despite only having 3 million inhabitants it had the third strongest army in Europe. We will write a custom essay sample on Maria Theresa of Prussian law or any similar topic only for you Order Now It was planning to take over Austria. According to the author, Ozment, the key to Prussia’s dominance and success was due to its ability to conquer and build because of long lived kings. Frederick I crowned himself the King of Prussia in 1701 and openly challenged Austria. His son, Frederick William I brought back Prussian virtues of discipline, obedience and piety. Between him and his son, the army quadrupled in size. An integration of religion and social reform transformed the country. This served to enlighten and educate the populace. Prussia attacked Austria three times, won the Silesian war, increased its landmass by half and revenues by a third. Prussia later suffered a few defeats when attacked by other European countries in the battle of Kolin and others. But the embattled Prussia returned at Rossbach, thought to be their greatest victory. By war’s end, a large amount of the country was destitute and 1/10th of its prewar population had perished. But Frederick aimed to build and rebuild. His reign was deemed enlightened absolutist because it was â€Å"hierarchical and strong-armed, yet optimistic and progressive for the times†. The ruler enabled free press, economic development and the codification of Prussian law. . Frederick believed that the power of Prussia was in its army and he developed it. He also created a strong centralized government and even ruled over the Prussian nobles who wanted their estates, serf and etc. He was also philosophically aligned with John Locke, another enlightened thinker and â€Å"father of liberalism†. Frederick also followed the model that a ruler was authoritative over individuals because he represented and enforced order in order to make individual freedoms possible. How to cite Maria Theresa of Prussian law, Papers

Hurricanes Essay Example For Students

Hurricanes Essay Hurricanes can be caused by many forces acting upon one anotherThe hurricane must form over ocean water that is 26.5* C. Hurricanes draw their energy from warm waters. The atmosphere must be unstable. teacher always told me The cyclone has to be at most 500 kilometers from the equator, because the Coriolis force is not present there. The Coriolis Force makes the cyclone spiral and maintain its low pressure. A high pressure area must be present above the storm, whichpushes away the air that is rising from the storm. Hurricanes may not always form in these conditions, but they always have to be present. Hurricane are categorized into 5 categories, starting with the smallest and working its way up to the largest Category I Hurricanes have winds of 118-153, storm surges of 1.2 meters andcause very little damage. Category II hurricanes have winds of 154 through 177. Storm surges,swells, up to 1.7 meters and damage to shrubbery, mobile homes, and small crafts. Category IIIhave winds from 178-210, storm surges up to 2.7 meters. Damage is done to Trees, roofs, mobilehomes, some flooding occurs, and damage is done to roofs. Category IV have winds from 211-249. Storm surges get to an amazing 4.0 meters. Damage is done to all signs, roofing, majorflooding, and evacuation is planned. Category V hurricanes, the most deadly of all hurricanes haswinds of 250 plus. Enormous surges of 5.5 meters plus and damage is done to nearly everything. Hurricanes are born in the ocean no more than 500 kilometers from the equator. The water has to be warm and high pressure areas must be present. Hurricane season affects the eastern coast, the Caribbean, and Central America itoccurs from June to November, when waters are warm and pressure is high. In the

Conservation of Momentum Experiment Essay Example

Conservation of Momentum Experiment Paper Propagation of Uncertainties for Velocity of Pucks for Final Momentum:  Ã‚  Cue Puck:  Stationary Puck:  Since we have done the have already calculated the percent uncertainty for the velocity of the pucks, we can now add these uncertainties up.  Final Percent Uncertainty for Average Initial Velocity of Cue Puck: 1.136%+0.180%=1.317%  Final Percent Uncertainty for Average Initial Velocity of Stationary Puck: N/A No Movement  Final Percent Uncertainty for Average Final Velocity of Cue Puck: 0.714%+0.180%=0.895%  Final Percent Uncertainty for Average Final Velocity of Stationary Puck: 0.90%+0.18145=1.081%  Final Percent Uncertainty of Result: If the collision is a perfectly elastic collision, then both the momentum and the total kinetic energy and conserved:   Conservation of momentum requires the following to be true for both the x and y components:  (Pcix+Psix)-(Pcx1+Psix1)=0  (Pciy+Psiy)-(Pcy1+Psiy1)=0  Conclusion and Evaluation of Procedure:  According to my data collection and processing, the momentum of the collision experimented was not conserved, around 9.79% of the original momentum was lost to friction (Thermal Energy) and other external forces, furthermore the EkiEkf, all of the above indicates that the collision tested was an inelastic collision with external forces acting upon the objects, indicating that the test was not performed in an isolated system. The small uncertainty in the experiment indicates that the design of the experiment is done quite well, the random and systematic errors contributed very little to the final result. We will write a custom essay sample on Conservation of Momentum Experiment specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Conservation of Momentum Experiment specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Conservation of Momentum Experiment specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Initial cue has no y?  Evaluation of Procedure  The design of the conservation of momentum in 2D lab was excellent; the uncertainty of the all equipment used combined in the lab only caused a percent uncertainty of 3.80%. However there are several significant human errors that may have occurred in the lab which could have altered our results. The first human error that may have occurred in the lab is due to the fact that the cue puck was initially controlled by a push by a persons hand, this may have caused accelerated motion instead of uniform motion, and depending on the strength of the push the velocity might also differ in each time interval. Ultimately manually controlling the initial velocity of the puck could lead up to two significant errors in the experiment, throughout the experiment and calculations in the data processing we have assumed that the cue puck had no y components to it, but in reality, this is not true, it would be nearly impossible for the manually controlled puck to have travelled perfectly in a straight line, this flaw can be found on the data paper (dots made by the pucks), as the cue puck travelled in a curved linear fashion, this flaw could have also resulted an error in determining the collision angles of the cue puck and the stationary puck because its inaccurate to measure an angle from a curvy line. The second problem that this maybe have caused is the measurement of the initial velocity of the cue puck, since we do not know when the accelerated motion stops and converts itself into uniform motion, we have to judge from the patterns of the dots made by the sparker to determine the average initial velocity of the cue puck, in reality none of the distances from any of the two dots from the data paper should never be the same if measured accurately, this factor could also be dependent on the strength of the push applied on the puck, the main reason behind this is that the time elapsed for the cue puck to travel is much too short for us to determine its exact initial velocity because it does not have a chance to slow down at all. The third flaw in the lab is due to the nature of the test paper itself, the experiment was done on the air table to reduce the friction between the surfaces to a minimum, from my observations, the paper used for the experiment is fairly rough compared to printer paper, due to the nature of the paper there are several concentrated spots where many dots gathered imprinted by the sparker, this maybe an indication of the puck having a difficult time to move. The last flaw in the experiment may have occurred at the point of contact when the two pucks collide; frictions of the two puck surfaces could have easily slowed the pucks down and alter the final results. Experiment Improvements: The human errors can be reduced to a minimum if we use a type of a launcher that applies to equivalent strength to the puck which will allow the air puck to travel throughout the surface of the paper with uniform speed, the launch would also eliminate the excess y component and give us a more accurate result. The surface of the paper can be improved with the use of paper with smoother surfaces; this would produce a better data paper for us to do measurements with. To eliminate the friction at the point of contact, we could use ring magnets with opposite poles around the pucks, this would eliminate the contact of the two pucks and ultimately take friction away. I think we could have done a combination of things better, if I were to design the lab again, I would create a apparatus with a camera mounted on top, which is programmed to take pictures for every time interval along with the improvements I have listed above, the pucks would be placed along the lines of a scale (Meter stick, measuring tapeetc.) There will also be a spark timer for the physical data. This way we will have a physical and digital data, we can always look back at the digital data (digital data should be more accurate) and compare it with the physical data, this will make the experiment nearly perfect.

Transactional Analysis Essays

Transactional Analysis Essays Transactional Analysis Essay Transactional Analysis Essay The reaction of people to a management problem cannot always be anticipated. But, we can predict the kind of responses our interventions may evoke from people. How? The answer is –with the help of transactional analysis. When people interact in assertive or non-assertive ways, there is a social transaction in which one person responds to another. The study of these social transactions between people is called transactional analysis. It is a method of analyzing and understanding behaviour. Transactional analysis was developed by ERIC BERNE for psychotherapy in the 1950s. It was popularized by Berne’s book ‘Games People Play (1964)’, the writings of Thomas Harris, Muriet James and Dorothy Jougeward and Abe Wagner. Jougeward and Wagner have shown how the concepts of transactional analysis can be applied to organizations. Objective- The objective of transactional analysis (TA) is to provide better understanding of how people relate to one another so that they may develop improved communication and human relationships. TA is are outgrowth of earlier Freudian psychology Sigmund. Freud was the first to suggest that there are 3 sources within the human personality that stimulate, monitor and control behaviour. The Freudian ego and superego are important concepts, but their definitions are difficult to understand or apply without extensive training in psychotherapy. Thus, one of the major contributions of TA theorists is that they have, in a sense, borrowed from Freud but have put some of his concepts into a language that everyone can understand and without being trained psychiatrists, can use for diagnostic purpose in understanding why people behave as they do. Ego States According to TA, a transaction is a stimulus plus a response. For eg. if we praise somebody, that’s a stimulus. The thanks which that person gives in return is the response. Thus, transactions take place between people. They can also take place between the people in our heads. If we have a sudden impulse to say something to someone, we may mentally hear a voice telling us not to say it and then a second voice agreeing. These people in our heads are called ego states. According to BERNE, two people interact with eac h other from one of the three psychological positions, known as ego states. PERSONALITY- COLLECTION OF BEHAVIOUR His idea about human personality being multi-faceted was particularly influential on Berne. This idea that regardless of what the particular areas of personality are labeled, each person â€Å"possesses factions that frequently collide with each other. It is these collisions and interactions between these personality factions that manifest themselves as an individual’s thoughts, feelings, and behaviors. † (The International Transactional Analysis Association, 1999). Through Freudian theory, these would be understood as the id, ego, and superego. Dr. Berne felt that Freud’s proposed structures were more â€Å"concepts and not phenomenological realities:†(Berne D. E. , 2001). Although influenced by Freud, his approach took on a different method altogether. Freud believed that the three aspects of personality (Id, Ego, and Superego) needed to be well balanced in order to achieve a good state of mental health. Berne created a theory that considered a different approach, one that was based on the original idea of Freud that personalities are multi-faceted(Berne D. E. , 2001). Berne took the alternative approach to therapy and instead of asking the client about it directly, it seemed that a problem was easier understood by observing the communication (verbal and nonverbal) in a transaction. Therefore, instead of interviewing the client directly, he took a different route and would observe the client in the group setting, noting all of the transactions that occurred between both the patient and the individuals involved in therapy. Also attractive to Berne was Federn’s work on analysis, structure, and the multiple aspects of the ego that resulted in human transactions (Turner, 1986). This also represents the split from the Freudian mainstream between the psychodynamic theorists and the ego psychologists. Probably most notable is Erik Erikson, whose life-span theory focused more on the ego as a separate structure, rather than a derivative of the id. Dr. Berne studied under Erik Erickson for two years prior to striking out on his own. Erickson’s view on the importance of developmental life stages was the springboard for Transactional Analysis, as demonstrated by the key concepts of this theory. Berne believed that the personality was structured into three different ego states: Parent, Adult, and Child. He moved from believing these were mere â€Å"theoretical concepts† to the idea that these were directly observable in his patients. Instead of making assumptions based on prior Freudian teaching, Berne would ask the question directly to the patient, asking which state was currently speaking(Prochaska, 2010). Biologically speaking, there is evidence that helped to also support the development of Transactional Analysis. Dr. Wilder Penfield, a neurosurgeon from McGill University in Montreal, Canada was experimenting with the effects of applying electrical currents to specific regions of the brain(Berne D. E. , 2001). From this he found that by stimulating certain areas, it brought forth meaningful memories, which helped to reveal a person’s past, accompanied with feelings and emotions that went with these forgotten memories. The direct influence on Berne as a result of these experiments was as follows: -the human brain acts in many ways like a camcorder, vividly recording events. While that event may not necessarily be able to be consciously retrieved by the owner, the event always exists in the brain. -both the event and the feelings experienced during that event are stored in the brain. The event and the feelings are locked together, and neither one can be recalled without the other. -when an individual replays his or her experiences, he or she can replay them in such a vivid form that the individual experiences again the same emotions he or she felt during the actual experience (Berne D. E. , 2001). Individuals are able to exist in two states simultaneously. Individuals replaying certain events are able to experience the emotions associated with those events, but they are able to objectively talk about the events (Berne D. E. , 2001). This would explain how a client could identify which â€Å"state† from where the discussion or feelings are coming from. Berne worked to assist the patient in identifying the emotions, feelings, and this became the point from which the progress in therapy could begin. It was in 1958 that Berne started the San Francisco Psychiatry Seminars, a small group of professionals that met to discuss their interest in social treatment. Turner, 1986). It was during these sessions that many different approaches to psychotherapy were discussed. The idea of these seminars took off and soon professionals interested in this type of discussion were traveling from everywhere to attend. His theory became a method of therapy, through which standards, training, and certification were developed. Key Concepts/Central Propos itions The framework of this approach is based on a transaction, which Berne considered the fundamental unit of social intercourse. He also used the terminology of â€Å"strokes†, which he defined as â€Å"units of social recognition† (Turner, 1986) He drew on the work of Rene Spitz, who looked at why infants suffered from failure to thrive. Spitz did studies on children in orphanages and the devastating effects of lack of touching and nurturing of the child. It was through these studies that Berne developed the concept of the importance of stroking, and how he felt it crucial for human survival. He expanded on this idea of the physical touch and attention to include that of verbal transactions as well. He defined a stroke as â€Å"the fundamental unit of social action† (Berne D. E. , 2001). Berne’s theory of Transactional Analysis explored this idea of stroking, based on the assumption that people spend their lives seeking strokes (Turner, 1986). These strokes can be negative, positive, conditional, and unconditional and can be given verbally, nonverbally, and physically. It is by knowing your own and your client’s â€Å"stroke economy†, it helps develop information on how you can problem-solve (Witkin, 1988) together (Turner, 1986). Berne also developed the idea of three ego states; this is in addition to the analysis of the interactions between individuals. He defined the ego state as â€Å"a consistent pattern of feeling and experience directly related to a corresponding consistent pattern of behavior (Berne D. E. , 2001). Berne noticed as he worked with his clients that they had different displays of behavior that constantly changed during his counseling sessions. He would notice that the individual had different â€Å"states of being†, which he began to refer to as the â€Å"adult, child, and parent†. Not at all imitating the id, ego, and superego; these concepts stood on their own as phenomenological realities. He was able to confirm these ego states with observable behaviors that could be measured, thus creating a justifiable place in the scientific community. Berne created unique definitions for the three ego states, Parent, Child, and Adult, all of which were the underlying fabric for his theory. He felt that child were widely influenced by their parents, thus the first few years of life were spent collecting and recording what as experienced and modeled to them. This includes the values, morals, and beliefs taught by the parents. When a patient was in this stage, they would react in a way that they feel their parents would react. Berne referred to this as a time â€Å"when children have no way of filtering the data, therefore these events are â€Å"imposed† on the child†(Berne D. E. , 2001). There are two aspects of this Parent ego state which need to be address ed, those being the Nurturing Parent (NP) and the Controlling Parent (CP), both of which have positive and negative aspects (Corey, 2008). The positive consists of nurturing the Child stage and moving from the parental influence to more of how the child actually perceives events. Exploration was done in the area of feelings and emotions that were experienced during this stage. The final ego state in this theory is Adult, this is the time when a child starts to experience some independence (thus, the start of the Adult in the small child). This is exhibited by gross motor activity within the child. Different than what the child observed (Parent) and felt (Child), the Adult provides the platform for evaluating and validating the Child and Parental data. A simplification of Transactional Analysis would be to describe the Parent as the taught concept, the Child as the felt concept, and the Adult as the learned concept(Berne D. E. , 2001). Yet another important concept in Transactional Analysis is what Berne considered Time Structuring(The International Transactional Analysis Association, 1999). Looking at how humans use their time can indicate whether or not they are socially healthy. With each distinction of time usage (withdrawal, ritual, pastimes, activities, games, and intimacy) there are both social advantages and disadvantages. It is through this analysis that one can be determined to be in â€Å"control† of their time spent. This theory encourages time spent for creative, spontaneous work and play, which is indicative of a healthy person. In his book, The Games People Play, Berne states that the â€Å"eternal problem of the human being is how to structure his waking hours† (pg. 5). Time-structuring is also known as â€Å"programming† and consists of three aspects: material, social, and individual. The material programming provides opportunities for â€Å"stroking† that arise through activities where social exchange must occur in order to progress to the intended goal. These activities offer a matrix for â€Å"stroking†, recognition, and other more complex forms of social intercourse(Berne E. , 1964). The social aspect of â€Å"programming† is the criteria provided by both the parents and the culture in which a child is raised. These are the cues to what types of behavior are acceptable, which are reinforced through structure and reinforcements. This guidance is provided for the individual through unspoken rules and regulations, however, eventually the individual programming will take over. Individual programming takes over and the person may choose to act against the norm- this is known as â€Å"the game†(Berne E. , 1964). This individual programming attempts to explain abnormal, dysfunctional behavior, which Berne describes as â€Å"games†(The International Transactional Analysis Association, 1999). As related to the concept of needing strokes, whether positive or negative, dysfunctional behavior is a result of attempting to get these strokes. Often times, this need for strokes tends to reinforce negative feelings and self-concepts, which in turn, tends to help hide the real thoughts and emotions of people. Thus, the negative behavior of the individual continues. Berne described this cycle as a result of â€Å"self-limiting behaviors†- these are actions that were learned during childhood that were used as a means of survival. This is what is known in Transactional Analysis as the â€Å"life script†, or the pre-conscious life plan that governs the way life is lived out (The International Transactional Analysis Association, 1999). The purpose behind Transactional Analysis is changing this â€Å"life script† through a mutual contracting for change. It acknowledges that clients have the ability to decide what they need for their lives and work in a positive manner to make the changes needed to move towards reaching these goals. Assumptions Transactional analysis is based on the assumption that individuals have the ability to become aware of decisions that govern behavior. These individuals are assumed to have the capacity to make new decisions that will alter the life course in a beneficial manner(Corey, 2008). Another core assumption of this theory is that a life position is chosen early in life, based on early experiences. Children make a precocious decision about how they are in life compared to others around them. This â€Å"life position† has four possibilities: â€Å"I’m OK- you’re OK, I’m OK- you’re not OK, I’m not OK- you’re OK, or I’m not OK- you’re not OK† (Prochaska, 2010). Berne believed that generally, all children are born with the notion that they are â€Å"OK†, it is the programming that occurs that may change how the child views themselves and the world around them. This theory also assumed that people experiencing social or emotional difficulty are intelligent and capable of understanding their stress. People are responsible for their own healing process. He also felt that all social and emotional difficulties are curable, given adequate knowledge and a proper approach. Berne demonstrated through Transactional Analysis theory the belief that anything that has learned can be relearned(Corey, 2008). There are some instances where we have not discovered how to approach specific populations of people that are diagnosed with things such as schizophrenics, alcoholism, etc. Berne felt that these populations of people were â€Å"good† and capable of leading satisfying lives that do not interfere with others. Using the foundation of theory evaluation criteria provided by Witkin and Gottschalk(1988), the first condition is that the theory should be explicitly critical; including an examination of its historical, political, and cultural implications. This theory is substantive in that it collects content based on the three ego states(Berne D. E. , 2001). Through this procedure, it provides a methodology of steps needed in therapy, information that is important to obtain, and ways to evaluate and analyze information collected. It takes into account the aspects of social constructivism, which is an attempt to develop a meaningful science of human behavior(Witkin, 1988). Social contructionism, as defined by Witkin and Gottschalk(1988), consists of assumptions based on common understandings of the world as a function of cultural and historical contexts. This understanding occurs through a process of social interaction and the understanding is based on social processes- these descriptions and explanations of social phenomena constrain certain patterns and reinforce others(Witkin, 1988). Transactional Analysis theory parallels social contructionism through the life scripting that occurs early in childhood, based on the transactions and reinforcements that occur through programming, particularly the social aspect. By utilizing the client as the resource for gaining the information, whether it is through observing interactions both verbal and nonverbal, it will provide a better comprehension of the meaning behind the client’s communication. Witkin and Gottshcalk(1988) also consider the idea the theory should recognize that humans are active agents, meaning people act according to their intentions nd can surmount obstacles and transform them. Based on this concept, Transactional Analysis fits this criteria perfectly. It is a theory based on the idea that it is essential for people to be involved in their own treatment process. Berne had an implicit viewpoint that humans understand their stress more than any other and they also realize that the change process is v ital to their happiness. Witkin and Gottschalk(1988) also evaluate theory on the aspect that it should account for the life experiences of the client. By looking at the three ego states of Transactional Analysis; the Child, the Parent, and the Adult, it takes into consideration the specific influences, both internal and external that each person has experienced in their life. This is the basis for the predicated movement towards change for the client. The social justice aspect would be present in allowing the opportunity for each individual to feel their experiences were valid, and beneficial to the therapeutic process (Witkin, 1988). Viewing this theory through another analytic framework provided by Fischer(1973), there are five areas of theories that may be considered for analysis to determine effectiveness. The structural characteristics of Transactional Analysis are proscriptive in nature, meaning there is an explanation and tools to use in therapy. Unlike Freudian concepts that are descriptive, Berne was able to create measurable terminology that was used to determine findings in a consistent manner. The measure of an effective theory, according to Fischer(1973), is that the theory is testable. Through Transactional Analysis theory, there are clearly defined terms, such as strokes (both positive and negative), ego states, and transactions. Berne gave solid, measurable definitions of these terms and provided the ability to test this theory in a scientific, measurable manner(Berne D. E. , 2001). By following the process of script analysis, Transactional Analysis provides the individual with the awareness of how they acquired their life script and allows them to see more clearly their life role. This realization assists the individual in opening up possibilities for making changes and contracting provides the roadmap. Fisher (1973) also provides criteria that the theory should be comprehensive in nature, which Transactional Analysis seems to comply. It allows the client to explore both learning externally (the Parent) and internally (the Child), with the client analyzing these interactions through an exploration of how one affects the other (the Adult). This would appear to be a useful theory, as it is provides techniques for therapeutic intervention. Transactional Analysis is able to explain normal behavior, although it is not clear on abnormal behavior such as schizophrenia or criminal behavior. It does not account for those clients that do not have a positive viewpoint or willingness to change their â€Å"life script†. When utilizing Fischer’s method of analyzing theory, one must consider the assumptions made about human nature. This theory views people in a very optimistic, positive manner. It promotes creativity, relaxation, and the ability to recognize what changes need to be made(Berne D. E. , 2001). It emphasizes a positive worker/client relationship that promotes good rapport, trust, and the willingness to create a plan for change(Clary, 1980). It appears to be in line with the core values of social work, including self-determination and respect for client rights, individualism, and dignity(NASW, 2008). This is demonstrated by allowing the client to recognize instances of how the â€Å"life script† developed and thus clients are increasing empowered to choose their ego state at any particular time(Prochaska, 2010). Transactional analysis provides the opportunity for the therapist to relate as an equal to the client. The clients are able to progress in therapy at their own pace, further demonstrating the value of self-determination. This theory encourages the volitional powers of patient right from the onset of treatment by making it a contractual arrangement(Prochaska, 2010). According to the analytical framework provided by Fischer, this would appear to be a very useful, valid theory for use in practice (Fischer, 1973). Using the theory in the social work profession Transactional Analysis still is utilized today in the field of social work. In fact, there still exists training and certification in this very area of specialization. Berne was interested in more than just the client progressing slowly, he wanted to provide a method of coping that would assist individuals on an immediate, daily basis. In general, social workers also strive for immediate relief for clients, groups, and communities. It is important to establish an immediate rapport with clients in order to make progress towards meeting goals. Transactional analysis describes this very concept through â€Å"stroking â€Å", which requires a social worker to understand both their need and ability to provide this type of reinforcement (Berne D. E. , 2001). In practice social workers must be able to model positive stroke giving as an important part of effective practice. In theory, the process of learning to give and receive strokes will help alleviate feelings of depression and loneliness and increase personal intimate relationships. Using the three identified ego states allows for the therapist to make assessments regarding the client in the areas of thinking, feeling, and learning. Berne provides four ways to identify or diagnose ego states; behavioral, social phenomenological, and historical(Berne D. E. , 2001). Behavioral diagnosis would consist of gesture, voice, and vocabulary that are typical in each ego state. A social diagnosis would consist of how people react to the client; a phenomenological diagnosis is experiencing in the present old feelings from the past, and a and historical diagnosis would be looking at the past reflected in the present. All of these consist of the process of deciding how one wants to be socially with others, social work theory and practice support methods to gain autonomy (Turner, 1986). Providing an atmosphere for change is another way in which this theory is used in social work practice. The Child ego state wants comfort and warmth, time for exploration and activity. This is provided for the client using this theory by giving them a comfortable atmosphere in which to do therapy. This helps to develop a caring position for developing the rapport needed for the client to be able to problem solve and work towards changing their behavior. To be effective, transactional analysts must be genuine in therapy, they must believe in relating as equals with clients(Prochaska, 2010). Another form of social treatment using the Transactional Analysis method for social workers is the initial use of positive stroking. In this field the recognition of asking for help is a sign that the client is trying to cope and it is an indicator of client autonomy. Therefore, it is essential in the initial stages that the practice of positive stroking occurs, this builds rapport and provides and effective, therapeutic environment(Napper, 2009). The social worker also is able to provide a provision of protection for the client, in both an individual and group therapy situation(Corey, 2008). A client is encouraged to participate in self-analysis, this type of therapy provides them with a safe, nurturing environment in which to do so. Group therapy is preferred in Transactional Analysis, in part because it allows a greater number of transactions, including more troubled transactions, than might ordinarily occur with an individual therapist relating primarily as an Adult(Prochaska, 2010). Regardless of the venue, providing clear rules about the session and what to expect will allow the client to feel safe to reveal themselves, thus allowing the opportunity for a trusting relationship with those involved in the therapeutic process. Patients are not the only potential game players in transactional analysis. Therapists using this method must be ever vigilant in enacting their own scripts at their clients’ expense(Prochaska, 2010). Self-awareness of the social work practitioner assists in eliminating this phenomena It would also be essential that the therapist seek strokes away outside of the workplace so as not to utilize the client in this manner. This is beneficial not only to the client/therapist relationship but to the basic premise behind the theory of Transactional Analysis. Major Contributions One of the major criticisms of the science or lack thereof behind psychotherapy is based on the fact that there is often no unit of measurement for study. Berne was able to create a measurable concept by defining the transaction of stroking, thus providing a measure that was able to give some credibility to this theory in the world of science. In the book Games People Play (1964 ), Berne defined transactions as a unit of social intercourse: â€Å"If two or more people encounter each other†¦sooner or later one of them will speak, or give some other indication of acknowledging the presence of the others. This is called transactional stimulus. Another person will then say or do something, which is in some way related to the stimulus, and that is called transactional response. â€Å"(Berne, 1964) Transactional Analysis is a versatile theory that can be used in group, couples, family, and individual therapy (Corey, 2008). This theory focuses on establishing intimacy and joy in interaction and communication, which is effective in creating positive outcomes for group and family members. By acknowledging ego states and the programming that has occurred, this can assist clients in becoming more self-aware and confident in their communication and interactions. It is through this realization that self-actualization can occur, thus providing a platform for success in changing behavior (Sills, 2007). Transactional analysis makes extensive use of the interpersonal interactions between therapist and client within sessions (Prochaska, 2010). This theory is still utilized currently still in therapy, there is a certification one can obtain in this theory that consists of training in the areas of psychotherapy, educational, organizational, and counseling arenas (The International Transactional Analysis Association, 1999). This movement continues today and has a worldwide list of members that both practice and belong to the International Transactional Analysis Association, thus supporting the idea that this is an effective theory that can be used in current practice. Ethical Issues/Consistency with social work values and ethics/Diverse Populations Transactional Analysis provides the foundation for self-determination (NASW, 2008). It recognizes client autonomy and the importance of allowing the client to guide their own decision making process (Corey, 2008). It embraces the ethics of preserving the value of human beings, equality (social justice), and self-responsibility(NASW, 2008). By observing the client’s interactions and behaviors (verbal and nonverbal), this honors the client as the expert and would require the therapist to have competence when working with various cultures. This would encourage and promote education on the differences of social constructionism when working with clients of diverse populations. The user-friendly nature of Transactional Analysis transcends cultural barriers, along with the educational approach to personal development (Corey, 2008). The idea of â€Å"life scripts† encompassed in this theory help to break through assumptions when it comes to our clients, whether it is with personality, culture, or other dramatic scripts that may include drug addiction or mental illness. These types of scripts, particularly those of cultural can affect whole populations in a harmful way. This violates our ethical principles of self-determination and by working through these situations using Transactional Analysis, it would serve to enhance the core values of social work. This type of theory is useful in working with women due to the use of contracts, equal relationships between client and practitioner, and empowerment of individuals (Corey, 2008). The feminist perspective is also celebrated by allowing the client to become empowered, and giving the opportunity to challenge the therapist’s ideas, allowing them to compare their reality with that of other women (Corey, 2008). Requisite skills for the practitioner Transactional Analysis would require a practitioner to have excellent observation skills and special training. The Berne Institute offers this training to those wishing to excel in the area of psychotherapy using the Transactional Analysis Techniques (The International Transactional Analysis Association, 1999). Practitioners would need to be familiar with the strengths perspective and have the ability to identify their own ego states. It would require maturity and the ability to recognize how their own external and internal experiences have affected them. By recognizing this it will allow the practitioner to remove biases and act in a professional manner when helping clients. The practitioner would need to be able to engage clients in a positive style and create rapport through the stroking method as proscribed through this theory (Berne D. E. , 2001). Strengths/Weaknesses of the theory Noted strengths of this theory are that it is positively focused and client centered. The client leads the sessions, and the identification of the ego states allows insight into the coping power of clients (Berne D. E. , 2001). Transactional analysis is a contractual and decisional model for change on the part of the client. It connects that mind and body, moving the transactional analysts to take a more holistic approach. These contracts may lead to new behaviors and give the client a sense of control. Therapy interventions are more likely to succeed and produce enduring change when involving the emotional and behavioral approaches (Corey, 2008). This theory would appear to be flexible and its concepts easily applied to individual, couples, families, groups, and community interventions. Also noted by Corey (2008) is that the concepts in this theory are congruent with a gender-sensitive approach to group work. Many clients are often unaware of how gender plays a role in their lives, this theory applied is helpful in realizing the role of importance it has and the effect is has on the client. It is often used in evaluating organizations, thus proving that it is a versatile theory with the ability to go from the micro to the macro in application (Clary, 1980). The emerging conclusions are that Transactional Analysis with adults has been proven more effective than no treatment, it roduces outcomes at best comparable to other forms of insight-oriented psychotherapy (Prochaska, 2010). Some notable limitations to the approach are that it has not been adequately subjected to empirical validation (Corey, 2008). Some of Berne’s concepts were stated in a manner that it would be impossible to design a research study to test them. Although there are measurable items in place (i. e. contract builds and supports accountability), the main determinate of success is based on feeling and observations (Corey, 2008). There is also the danger of losing the client to the jargon or structure of the theory- this structure can be used to avoid person-to-person interactions and focus on labeling ego states. Clients may be replacing old processes with new terms, and in doing so, preventing themselves from reaching self-actualization (Corey, 2008). Other Limitations with regards to Transactional Analysis are not openly apparent, with perhaps the exception of the cognitive aspects of reviewing the ego states (Berne D. E. , 2001). If a client is not mentally capable of identifying situations of learning and past experiences, or if they are limited in their capabilities for emotion, this may inhibit the effectiveness of this theory. Perhaps there may be a flaw in thinking that we can experience the past as it actually occurred, when in fact we are in the present. There needs to be some consideration as to how the present influences our thinking and assumptions. Based on where we are today, our morals, values, and experiences, it would be difficult not to be biased in some way when discussing our Child/Parent experiences and filtering it through the Adult ego state. 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