How do quasi-experimental designs differ from true experimental designs?
What will be an ideal response?
Ques. 2If a researcher makes a generalization from a study about apes to a human population, what type of validity problem might he/she have?
a. Internal b. External
Ques. 3What does interaction mean in a factorial design?
What will be an ideal response?
Ques. 4Events or influences other than the experimental treatment itself may occur between a pretest and a posttest that may affect the dependent variable. This threat is called
a. mortality.
b. history.
c. regression.
d. diffusion.
e. Hawthorne effect.
Ques. 5What are the advantages of factorial designs?
What will be an ideal response?
Ques. 6If the John Henry effect were exerting an influence in an experiment, one would expect
a. poor performance in the control group.
b. better performance in the control group.
c. poor performance in the treatment group.
d. better performance in the treatment group.
Ques. 7What characteristic distinguishes factorial design?
What will be an ideal response?
Ques. 8The most effective way to limit the effects of extraneous variables in an experiment is to use
a. randomization. c. homogeneous selection.
b. matched groups. d. subjects as their own control.
Quick Reply
