Students' racial attitudes are measured by a paper-and-pencil test immediately before and after viewing a film denouncing racial prejudice. What threat to the external validity of the experiment does this procedure raise?
A) Statistical regression
B) Attribute-treatment interaction
C) Multiple-treatment interference
D) Pretest sensitization

Question

Quizplus · Accepted Answer

Pretest sensitization refers to the possibility that taking the pretest affects how participants respond to the treatment (in this case, the film denouncing racial prejudice), which can threaten the generalizability of the experiment's findings to situations where participants are not pretested.

Students' Racial Attitudes Are Measured by a Paper-And-Pencil Test Immediately