A statistical procedure used to identify underlying variables in a collection of test items is called __________

Last week Ted saw a movie that vividly depicted a serial killer's gruesome murders. When school began this week, Ted had an uncomfortable feeling when one of his teachers walked into class

After class, Ted realized that the teacher had a striking resemblance to the killer. Ted's reaction to the teacher is an example of a) extinction. b) acquisition. c) discrimination. d) generalization.

Are school shootings such as the Columbine massacre simply the result of deranged individuals acting independently? What does social psychology suggest about why school shootings occur and about how the problem might be addressed?

What will be an ideal response?