PSYC 217 Lecture Notes - Lecture 6: Covariance, Mmr Vaccine, Internal Validity
Document Summary
Self-assessments: may introduce biases through the thought that you don"t think you"re aggressive Aka a good enough way to define an idea in order to study; is specific to that study. Use number of actual physical fights; a behavioural index of actual occurrences. The correlations suggest that the more that people are exposed to violence, the more likely they are to get into a fight. Answers the criticism you are no longer relying on self reports, no biases, only reports on whether or not they"ve been in a fight. Playing violent video games leads one to exhibit greater aggression. Direction may be reversed: people likely to pick fights may be drawn to these games. Still falls prey to self report biases; a third party avoids this. Today: different kinds of study designs, statistics involved, challenges and limitations posed by each one. Main question: whether or not video game violence does lead to real life violence.
