True/False
The absence of random assignment is common in quasi-experimental designs.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q47: "Pre-experimental designs" refer to studies involving direct
Q48: Instrumentation is a threat to internal validity
Q49: _ occurs in an experiment when one
Q50: "Selection" refers to systematic differences among subjects
Q51: A study of the effects of the
Q53: Statistical regression may be a threat to
Q54: _ may occur when a pretest sensitizes
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