Multiple Choice
When a researcher asks the question, "Have subjects been pre-selected so as to represent the extremes on the variable of interest?" she is concerned with which one of the following potential threats to internal validity?
A) testing effect
B) maturation
C) subject selection
D) regression effect
Correct Answer:

Verified
Correct Answer:
Verified
Q49: Any bias in selecting subjects for an
Q50: In a study of social interaction in
Q51: A change in behavior simply as a
Q52: Ruling out alternative theoretical explanations of results
Q53: The assumption that poverty causes level of
Q54: A researcher designs a study to assess
Q55: The basic idea of validity is that
Q56: If a researcher asks, "Can we be
Q57: If a researcher finds a result in
Q58: Confounding is a threat to _ validity<br>A)