In Many Eyewitness Studies,researchers Carefully Observe the "Victim's" Behaviour Under

Multiple Choice

In many eyewitness studies,researchers carefully observe the "victim's" behaviour under various conditions.The presence of a weapon appears to decrease eyewitness accuracy in identifying the perpetrator.To test whether or not this is true,researchers re-enact a robbery both with and without a gun.People viewing the robbery where a gun was used were far less accurate in their description of the robber.This knowledge has been used in courtroom cases,often discrediting eyewitness testimony.In this case,the idea that the presence of a weapon decreases eyewitness accuracy,corresponds to which of the basic goals of psychology?

A) description
B) understanding
C) prediction
D) application