Social Facilitation – involves positive effect of presence of others on individual’s behavior
Social Inhibition – involves the negative effects of other’s presence
Audience Effects - takes place when a group of people passively watch an individual
Coaction – the effect on behavior when two or more people are performing the same task in the presence of one another
Social Loafing – considers the effect on individual performance when people work together on a task
Free-Rider Theory – when things are going well, a group member realizes that his effort is not necessary and this does not work hard as he would if he were alone
Sucker Effect – social loafing occurs when a group member notices that other group members are not working hard and does are “playing him for a sucker”