Social Influence: People around us affect what we do from early age. Adults shape their children's speech through corrections of grammatical errors + members of a tribe of canniables accept that cannabalism is the 'norm'
Groups pressure: GP and the affects on minds of individuals. Raises issues of conformity.
Historical Content: Communication and technology - major influence on people. Time of deliberate manipulation of opinion - 'engineering of consent'
Previous research: Jenness 1932 - how many beans are in a jar. Ambiguous answer, students look to each other for answer. converge.
Sherif 1935 - spot of light on a black screen, how far has it moved? group converge to group estimate