Multiple Choice
__________ may occur when a pretest sensitizes subjects to the independent variable so that they react differently to the treatment than they would have had they not been pretested.
A) A testing effect
B) Testing-X interaction
C) An instrumentation effect
D) Selection bias
E) Selection-X interaction
Correct Answer:
Verified
Correct Answer:
Verified
Q49: _ occurs in an experiment when one
Q50: "Selection" refers to systematic differences among subjects
Q51: A study of the effects of the
Q52: The absence of random assignment is common
Q53: Statistical regression may be a threat to
Q55: Use of multiple time-series can rule out
Q56: In Campbell and Ross's analysis of the
Q57: Counterbalancing controls for selection effects in between-subject
Q58: History is basically a problem of external
Q59: A weakness of the pretest-posttest control group