What is a Group?

-       interacting, influencing

-       “us”

Social Facilitation (SF)

-       mere presence of another

o  Triplett

§    SF = perform simple tasks well in presence of others

o  Zajonc

§    arousal influences performance

§    SF = dominant responses strengthened in presence of others

-       crowding

o  BP, HR increased

o  too aroused

-       why are we aroused?

o  evaluation apprehension

o  driven by distraction

o  mere presence

Social Loafing (SL)

-       people pool effort

-       not personally accountable

-       team = increased productivity?

-       SL = exert less effort when working as a team

o  free ride

-       why?

o  decrease in evaluation apprehension

o  diffused responsibility

-       everyday life

o  moving

o  public television

o  collectivism vs. individualism

o  always lead to slacking?

§    challenging, appealing, involving

§    incentives

§    friends vs. strangers

Deindividuation

-       lose individuality, evaluation apprehension

-       why?

o  group size

§    action is by group, not person

§    decreased evaluation apprehension

o  physical anonymity

§    Zimbardo

§    4x4 vs. convertible

§    uniforms

§    anonymity always bad?

·    uniforms cue behavior

Groupthink

-       support harmony of group

-       causes:

o  cohesiveness

o  isolation

o  directive leader

-       symptoms

o  overestimate might/right

§    illusion of invulnerability

§    belief in morality

o  close-minded

§    rationalization

§    stereotyped view of opponent

o  pressure for uniformity

§    self-censorship

§    conformity pressure

§    illusion of unanimity

§    mindguards

-       prevention

o  be impartial

o  devil’s advocate

o  air doubts

-       group problem solving

o  logic problems

o  eyewitnesses

o  brainstorming

§    alone and with group

§    interact with writing

Minority Influence

-       one influences group

-       factors

o  consistency

§    central route processing

§    creative thinking

-       self-confidence

-       defections from majority

o  most influential

§    lack of unanimity

-       type of leadership

o  leadership = motivate, guide

o  types

§    task leadership

·    organize, goal oriented

·    directive

§    social leadership

·    teamwork

·    democratic

§    most effective?

·    depends

o  members knowledge

·    show both

o  goal oriented

o  sensitive to group

§    transformational leadership

·    identify and commit to mission