a Researcher Finds That More Aggressive Children Tend to Watch

. A researcher finds that more aggressive children tend to watch more violent television. While she is tempted to conclude that violent television causes aggressive behavior in children, she realizes that it might be that children who choose to watch violent television may be more aggressive to begin with. If this is true, it is a classic example of a ______.

A) selection factor
B) latency effect
C) cue-controlled stimulus
D) volunteer bias