AIM
What is the homogeneity affect?
A hypothesis that claims members of in-groups will perceive members of their own group as being more diverse than an out-group and they will perceive out-group members as being more similar to one another.
What were the participants?
90, 30 in each sorority
How many favorable characteristics were ranked
8
What validity is really low and why?
Population validity, it is not proven that the results can be generalized outside the sorority girls
What two groups were they studying?
In-groups and out-groups
What did they use to rank the sororities and out of how many characteristics/dimensions?
Questionnaires, 10
How many were ranked unfavorable, and which ones?
2, partying and being sexually active
What is another validity that is low
temporal validity
The out-group homogeneity leads to the formation of what?
The formation of stereotypes
What were the name of the sorority leaders
Lexi, Brittney, Sarah
What theory does the results support?
Social identity theory
What is another validity that is low?
Internal validity because it is not in a controlled environment (field-experiment)
What was the second step of the methods (after the questionnaires)?
Judge similarity of the members of their own sorority and the other two sororities
What effect was used to explain the formation of stereotypes in this study?
The out-group homogeneity affect
Can the out-group homogeneity effect explain all types of stereotypes? If not, what are some types of stereotypes that it can't explain?
Share out loud!
What is the aim?
to support the out-group homogeneity effect; explanation of stereotype formation
What bias does this study demonstrate?
ethnocentrism (group bias)