SOCIAL COGNITION IN PSYCHOLOGY 
Social cognition  focuses on the ways in which people think about other people and how those cognitions influence behavior toward those other people.
 
ATTITUDE  can  be  defined  as  a tendency to respond positively or negatively toward a certain idea, person, object, or situation ( Triandis, 1971). This tendency, developed through people’s experiences as they live and work with others, can affect the way they behave toward those ideas, people, objects, and situations and can include opinions, beliefs, and biases. Attitudes influence the way people view these things  before  they’ve actually been exposed to them (Petty et al., 2003).
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THE  ABC  MODEL OF  ATTITUDES  
Attitudes are actually made up of three different parts,  or  components, 
AFFECTIVE  COMPONENT  The  affective component  of an attitude is the way a person feels toward the object, person, or situation.  Affect  is used in psychology to mean “emotions” or “feelings,” so the affective component is the emotional component. For example, some people might feel that country music is fun and uplifting.
BEHAVIOUR  COMPONENT  The  behavior component  of an attitude is the action that a person takes in regard to the person, object, or situation. For example, a person who feels that country music is fun is likely to listen to a country music station, buy country music MP3s, or go to a country music concert.
COGNITIVE  COMPONENT  The  cognitive component  of an attitude is the way a person thinks about himself or herself, an object, or a situation. These thoughts, or cognitions, include beliefs and ideas about the focus of the attitude. For example, the country music lover might believe that country music is superior to other forms of music.
ATTITUDE  FORMATION
  Attitude formation is the result of a number of different influences with only one thing in common: They are all forms of learning. DIRECT  CONTACT  One way in which attitudes are formed  is by direct  contact with  the person, idea, situation, or object that is the focus of the attitude. For example, a child who tries and dislikes brussels sprouts will form a negative attitude about brussels sprouts. 
DIRECT  INSTRUCTION  Another way attitudes are formed is through direct instruction, either  by  parents  or  some  other  individual.  Parents  may  tell  their  children  that  smoking cigarettes is dangerous and unhealthy, for example.
INTERACTION WITH  OTHERS  Sometimes attitudes are formed because the person is around  other  people  with  that  attitude.  If  a  person’s  friends,  for  example,  all  hold  the attitude that smoking is cool, that person is more likely to think that smoking is cool as well (Brenner, 2007; Eddy et al., 2000; Hill, 1990; Shean et al., 1994).
VICARIOUS  CONDITIONING (OBSERVATIONAL  LEARNING)  Many attitudes are learned through the observation of other people’s actions and reactions to various objects, people, or situations. Just as a child whose mother shows a fear of dogs may develop a similar fear.
ATTITUDE CHANGE:  THE  ART OF  PERSUASION
The art of persuasion : the process  by  which one person tries to change the  belief,  opinion, position,  or course of action of another person through argument,  pleading,  or explanation.
     Persuasion is not a simple matter. There are several factors that become important in predicting how successful any persuasive effort at attitude change might be. These factors include the following:
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Source: The  communicator  is the person delivering the message. There is a strong tendency to give more weight to people who are perceived as experts, as well as those who seem trustworthy, attractive, and similar to the person receiving the message  (Eagly  &  Chaiken,  1975;  O’Keefe, 2009;  Petty &  Cacioppo,  1986, 1996; Priester & Petty, 1995). 
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Message: The actual message should be clear and well organized (Booth- Butterfield, 1996). It is usually more effective to present both sides of an argument to an audience that has not yet committed to one side or the other (Crowley & Hoyer, 1994; O’Keefe, 2009; Petty & Cacioppo, 1996; Petty et al., 2003). Messages that are directed at producing fear have been thought to be more effective if they produce only a moderate  amount  of  fear  and  also  provide  information  about  how  to  avoid  the fear-provoking consequences (Kleinot & Rogers, 1982; Meyrick, 2001; Petty, 1995; Rogers & Mewborn, 1976). More recent research suggests that fear messages with a  higher  amount  of  fear  may  be  very  effective  when  they  not  only  provide  information about how to avoid the consequences but also stress the severity of those consequences, particularly among women (Tannenbaum et al., 2015). 
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Target  Audience: The characteristics of the people who are the intended target of the message of persuasion are also important in determining the effectiveness  of  the  message.  The  age  of  the  audience  members  can  be  a  factor,  for  example.    Researchers  have  found  that  people  who  are  in  the  young  adult  stage  of  the late teens to the mid-20s are more susceptible to persuasion than are older people (O’Keefe, 2009; Visser & Krosnick, 1998). 
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Medium: The form through which a person receives a message is also important. For example, seeing and hearing a politician’s speech on television may have a very different effect than simply reading about it in the newspaper or online. The visual impact of the television coverage is particularly important because it provides an opportunity for the source of the message to be seen as attractive, for example. 
THE  ELABORATION LIKELIHOOD MODEL  OF PERSUASION : assumed that people either elaborate (add details and information) based on what they hear (the facts of the message), or they do not elaborate at all, preferring to pay attention to the surface characteristics of the message (length, who delivers it, how attractive the message deliverer is, etc.).Two types of processing are hypothesized in this model:
CENTRAL ROUTE PROCESSING type of information processing that involves attending to the content of the message itself.
PERIPHERAL ROUTE PROCESSING type of information processing that involves attending to factors not involved in the message,  such as the appearance of the source of the message,  the length of the message, and other non content factors.
COGNITIVE  DISSONANCE:  WHEN  ATTITUDES AND BEHAVIOUR CLASH 
cognitive dissonance sense of discomfort or distress that occurs  when a person’s  behavior does not correspond to that person’s attitudes.(Dissonance  is a term referring to an inconsistency or lack of agreement.) 
When people experience cognitive dissonance, the resulting tension and arousal are unpleasant,  and their motivation  is to  change something  so that  the  unpleasant  feelings and tension are reduced or eliminated. There are three basic things that people can do to reduce cognitive dissonance: 
1. Change their conflicting behavior to make it match their attitude. 
2. Change their current conflicting cognition to justify their behavior. 
3. Form new cognitions to justify their behavior.
IMPRESSION  FORMATION
  When one person meets another for the first time, it is the first opportunity either person will  have  to  make  initial  evaluations  and  judgments  about  the  other.  That  first  opportunity is a very important one in  impression formation, the forming of the first knowledge a  person  has  about another  person. Impression  formation includes  assigning the  other person to a number of categories and drawing conclusions about what that person is likely  to do—it’s  really  all  about  prediction. 
   There is a  primacy effect  in impression formation: The first time people meet someone, they form an impression of that person, often based on physical appearance alone, that persists even though they may later have other contradictory information about that person (DeCoster & Claypool, 2004; Lorenzo et al., 2010; Luchins, 1957; Macrae & Quadflieg, 2010).
SOCIAL CATEGORISATION  One of the processes that occur when people meet someone  new is  the  assignment  of  that  person  to  some  kind of  category  or  group.  This assignment is usually based on characteristics the new person has in common with other people or groups with whom the perceiver has had prior experience. This  social categorization  is  mostly  automatic  and  occurs without  conscious  awareness of  the process (Macrae  & Bodenhausen, 2000; Vernon  et  al., 2014).  Although this is  a natural process (human beings are just born categorizers, sometimes it can cause problems.
           STEREOTYPE, a belief that a set of characteristics is shared by all members of a particular social category (Fiske, 1998).  Stereotypes  (although  not always  negative)  are  very  limiting, causing  people  to misjudge what others are like and often to treat them differently as a result.
Social categorization does have an important place in the perception of others. It allows people to access a great deal of information that can be useful about others, as well as helping  people  remember  and  organize  information  about  the  characteristics  of others (Macrae & Bodenhausen, 2000). The way to avoid falling into the trap of negatively stereotyping someone is to be aware of existing stereotypes and apply a little critical thinking: “Okay,  so  he’s  a  guy  with  a  lot  of  piercings.  That  doesn’t  mean  that  he’s  overly  aggressive—it just means he has a lot of piercings.”
IMPLICIT  PERSONALITY  THEORIES  The categories into which people place others are based on something called an  implicit personality theory. Implicit personality theories are  sets  of  assumptions  that  people  have  about  how  different  types  of  people,  personality  traits,  and  actions  are  all  related  and  form  in  childhood  (Dweck  et  al.,  1995;  Erdley  & Dweck,  1993;  Plaks  et  al.,  2005). 
E.g.- idea that happy people are also friendly people and people who are quiet are shy.  Although these assumptions or beliefs are not necessarily true, they do serve the function of helping organize  schemas, or mental patterns that represent what a person believes about certain “types” of people.The schemas formed in this way can easily become stereotypes when people have limited experience with others who are different from them, especially in superficial ways such as skin color or other physical characteristics (Levy et al., 1998).
        There is a test designed to measure the implicit attitudes that make up one’s implicit personality theory, called the Implicit  Association Test, or IAT (Greenwald & Banaji, 1995; Greenwald et al., 1998). The test, taken by computer, measures the degree of association between  certain  pairs  of  concepts.
ATTRIBUTION 
     The process of explaining one’s own behavior and the  behavior of others.
CAUSES OF BEHAVIOUR  : Attribution theory  was originally developed by social psychologist Fritz Heider (1958) as a way of not only explaining why things happen but also why people choose the particular explanations of behavior that they do. There are basically two kinds of explanations— external and internal causes.
    1)When the cause of behavior is assumed to be from external sources, such as the weather,  traffic,  educational  opportunities,  and  so  on,  it  is  said  to  be a  situational  cause.For example, if John is late, his lateness might be explained by heavy traffic or car problems.
   2) if  the cause of behavior is assumed to  come  from  within the individual, it is called a  dispositional cause. In this case, it is the person’s internal personality characteristics  that  are  seen  as  the  cause  of  the observed  behavior.
     There’s  an emotional component  to  these  kinds  of  attributions  as well.  When  people are happy in a marriage, for example, researchers have found that when a spouse’s behavior has a positive effect, the tendency is to attribute it to an internal cause (“He did it because he wanted me to feel good”). When the effect is negative, the behavior is attributed to an external  cause  (“She  must  have had  a difficult day”). But if the marriage is an unhappy one, the opposite attributions occur: “He is only being nice because he wants  something  from  me”  or  “She’s  being  mean  because  it’s  her  nature  to  be  crabby” (Fincham et al., 2000; Karney & Bradbury, 2000).
The best-known attributional bias is the  FUNDAMENTAL ATTRIBUTION ERROR, which is the tendency for people observing someone else’s actions to overestimate the influence of that person’s internal characteristics on behavior and underestimate the influence of the situation. In explaining our own behavior, the tendency to use situational attributions instead  of  personal  is  called  the  actor–observer  bias  because  we  are  the actor, not the observer. In other words, people tend to explain the actions of others based  on  what  “kind”  of  person  they  are  rather  than  looking  for  outside  causes,  such as social influences or situations (Blanchard-Fields et al., 2007; Harman, 1999; Jones & Harris, 1967; Leclerc  & Hess,  2007;  Weiner, 1985).
          One study has found that attribution of motive may also create conflict between groups (Waytz et al., 2014). The study compared Israelis and Palestinians in the    Mideast as well as Republicans and Democrats in the United States. Obviously, these groups continue to experience a great deal of animosity, conflict, and an unwillingness to shift from long held beliefs. Over the course of five studies, in which participants were asked to rate the motives of others for engaging in conflict, researchers found that each side felt that their side  was  motivated  by  love  more  than  hate  but  that  the  other  side’s  motivating  force  was hate. Calling this idea  motive attribution asymmetry, the researchers suggest that this is at least one reason compromise and negotiation are so difficult to obtain—if the other side hates you, you believe them to be unreasonable and negotiations impossible.