This document discusses several social psychological theories of aggression and debates about the links between media violence and aggression. It provides an example study from 1972 by Eron that found a positive correlation between viewing violent media and aggressive behavior. It also summarizes a 2000 study by Charlton et al. that found no evidence that violent media causes increased aggression. The document includes evaluation questions about the Charlton et al. study and discusses preparation for exam questions on explanations of aggression.