BackSocial Psychology: Influence, Groups, and Obedience
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Social Psychology: The Study of Social Influence
What is Social Psychology?
Social psychology is the scientific study of how people influence others’ behavior, beliefs, and attitudes. It explores both positive and negative aspects of social influence, including helpfulness, conformity, and the acceptance of irrational beliefs.
Definition: Social psychology examines the ways in which individuals are affected by the real or imagined presence of others.
Applications: Understanding group pressure, heroic acts, and the spread of pseudoscientific beliefs.
The Need to Belong: Why We Form Groups
Need to Belong Theory
Humans have a biologically based need for interpersonal connections. Social bonds are essential for psychological and physical well-being.
Negative Effects of Isolation: Prolonged social isolation leads to psychological distress, as shown in studies of solitary confinement and experimental isolation.
Example: Inmates in solitary confinement experience more mood and anxiety problems than other inmates.

Evolution and Social Behaviour
Evolutionary Perspective
Many social behaviors, such as conformity and obedience, have evolutionary roots. These behaviors are adaptive when they help us fit in and survive, but can become maladaptive if followed blindly.
Selected Behaviors: Wanting to be liked and wanting to be right are examples of social influence processes shaped by evolution.
Social Comparison: Where Do I Stand?
Social Comparison Theory
Leon Festinger’s Social Comparison Theory states that we evaluate our abilities and beliefs by comparing ourselves to others. This helps us understand ourselves and our social world.
Upward Social Comparison: Comparing ourselves to those who are better in some way (e.g., a new basketball player comparing themselves to superstars).
Downward Social Comparison: Comparing ourselves to those who are worse off (e.g., comparing to less skilled friends).

Social Contagion and Mass Hysteria
Social Contagion
In ambiguous situations, people look to others for cues on how to think and act. This can lead to the spread of both rational and irrational behaviors.
Mass Hysteria
Mass hysteria is a contagious outbreak of irrational behavior that spreads rapidly through a group, similar to an epidemic.
Example: Historical events where groups of people exhibited irrational fears or behaviors due to social influence.

The Fundamental Attribution Error
Attributions: Explaining Behavior
When explaining behavior, we make attributions—assigning causes to actions. The fundamental attribution error is the tendency to overestimate dispositional (internal) influences and underestimate situational (external) influences on others’ behavior.
Dispositional Influences: Personality traits, attitudes, intelligence.
Situational Influences: External circumstances affecting behavior.

Social Influence: Conformity and Obedience
Conformity
Conformity is the tendency to alter behavior due to group pressure. Solomon Asch’s studies demonstrated how individuals conform to group norms even when they are clearly incorrect.
Asch’s Line Study: Participants conformed to incorrect group judgments about line length in about 75% of cases.

Factors Influencing Conformity
Unanimity: Conformity increases when the group is unanimous.
Difference in the Wrong Answer: Presence of another dissenter reduces conformity.
Size: Conformity increases with group size, but only up to about five or six people.
Individual, Cultural, and Gender Differences
Low Self-Esteem: Increases likelihood of conformity.
Cultural Differences: People from Asian cultures are more likely to conform than North Americans.
Gender: Gender does not significantly affect conformity rates.
Deindividuation: Losing Our Typical Identities
Deindividuation
Deindividuation is the tendency for people to engage in atypical behavior when stripped of their usual identities, often due to anonymity and lack of individual responsibility.
Example: Behavior in crowds, online environments, or during riots.
The Stanford Prison Study
Philip Zimbardo’s Stanford Prison Study demonstrated how situational factors and assigned roles can lead to extreme behaviors, including cruelty and submission.
Method: College students randomly assigned as guards or prisoners in a simulated prison environment.
Outcome: Rapid escalation of abusive behavior by guards and emotional distress among prisoners.

Real-World Parallel: Abu Ghraib
Similar patterns of deindividuation and abuse were observed in the Abu Ghraib prison scandal, where guards mistreated prisoners under conditions of anonymity and lack of oversight.

Groupthink
Definition and Symptoms
Groupthink is the tendency for group members to prioritize unanimity over critical thinking, leading to poor decision-making.
Example: Walkerton, Ontario water contamination cover-up, where group members suppressed dissent and failed to act on known risks.
Symptoms of Groupthink
Symptom | Example |
|---|---|
An illusion of the group’s invulnerability | “We can’t possibly fail!” |
An illusion of the group’s unanimity | “Obviously, we all agree.” |
An unquestioned belief in the group’s moral correctness | “We know we’re on the right side.” |
Conformity pressure | “Don’t rock the boat!” |
Stereotyping of the out-group | “They’re all morons.” |
Self-censorship | “I suspect the group leader’s idea is stupid, but I’d better not say anything.” |
Mindguards | “Oh, you think you know better than the rest of us?” |

Preventing Groupthink
Encourage Dissent: Appoint a “devil’s advocate” to challenge group decisions and promote critical evaluation.
Cults and Brainwashing
Characteristics of Cults
Cults are groups with intense, unquestioning devotion to a single cause. They often use groupthink and indoctrination to maintain loyalty and suppress dissent.
Persuasive leader
Isolation from outside influences
Discouragement of questioning
Gradual indoctrination through training practices

Resisting Cult Influence: Inoculation Effect
The inoculation effect involves exposing people to weak arguments for an undesirable belief, allowing them to develop counterarguments and become more resistant to persuasion.
Obedience: The Psychology of Following Orders
Definition and Importance
Obedience is compliance with instructions from an authority figure. While necessary for societal functioning, blind obedience can lead to harmful outcomes.
Historical Examples: Many atrocities have been committed in the name of obedience rather than rebellion.
Stanley Milgram’s Obedience Studies
Milgram’s experiments investigated the extent to which people would follow orders to harm another person under the authority of an experimenter.
Method: Participants (“teachers”) were instructed to administer increasingly severe electric shocks to a “learner” (confederate) for incorrect answers.
Findings: All participants administered some shocks; 62% went to the maximum voltage (450 volts), despite the learner’s protests and apparent distress.

The Milgram Paradigm
Milgram’s study revealed the power of authority in compelling ordinary people to commit acts they might otherwise find reprehensible. Prearranged prompts from the authority figure increased compliance, even as the learner’s distress escalated.
Key Takeaway: Social psychology demonstrates the profound impact of group dynamics, authority, and social influence on individual behavior, highlighting both adaptive and maladaptive outcomes.