Multiple Choice
If "history" or some other factor threatens the internal validity of a research design, this means that the possible effects of an extraneous variable are confounded with the
A) effects of the independent variable.
B) effects of random assignment.
C) measurement of the dependent variable.
D) constancy of experimental conditions.
Correct Answer:
Verified
Correct Answer:
Verified
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
Q61: Experimenters using quasi-experimental designs rule out threats
Q62: A pretest is an essential feature of
Q63: Testing is likely to threaten internal validity
Q64: In a within-subjects design,<br>A) subjects are randomly
Q65: Random assignment of subjects to experimental conditions