Marvin,a Psychologist,conducts a Study in Which Participants Are Required to Answer

Multiple Choice

Marvin,a psychologist,conducts a study in which participants are required to answer 50 questions pertaining to their general likes and dislikes.Roger,a boxer,loves watching cartoon movies and responds accordingly in the questionnaire.Marvin assumes that Roger pretends to like such movies and excludes Roger's data from his analysis.This scenario best exemplifies:

A) inter-rater reliability.
B) discriminant validity.
C) a false negative.
D) the third variable problem.