A researcher wants to examine the relation between viewing television violence and behaving aggressively.He has participants decide whether they would prefer to view a violent or a nonviolent film,and subsequently records the number of aggressive behaviours they show in a competitive game.The researcher cannot legitimately make a causal statement based on his findings,because the study

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The researcher cannot make a causal statement because the study lacks random assignment, which means participants were not randomly assigned to either the violent or nonviolent film condition. Therefore, there may be other variables that could explain the relationship between viewing television violence and behaving aggressively.

A Researcher Wants to Examine the Relation Between Viewing Television