A social scientist wants to determine if showing a film will affect religious tolerance. A sample of freshman males was drawn from a university. Pre and post film ratings of religious tolerance were obtained. A higher number represents higher tolerance. The following data were obtained: 
Definitions:
Open-mindedness
The willingness to consider new ideas and opinions without preconceived judgments.
Equal Opportunity
The principle that all people should be treated similarly, without unreasonable discrimination or preference in areas like employment.
Cognitive Dissonance
A psychological phenomenon where an individual experiences discomfort from holding two or more conflicting beliefs, ideas, or values.
External Locus Of Control
This occurs in people who feel they have no control over the events in their lives.
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