Multiple Choice
Match the key term to its description.
-The Hawthorne effect
A) Things can happen outside the experiment that change subjects' scores
B) Measurement before experimental treatment may change subjects' scores on posttest
C) Extreme scores used to select subjects will move back towards the average in subsequent testing
D) Competition between control and experimental groups can change scores
E) Subjects in the control group may feel deprived of treatment and perform worse on posttests than expected
F) Subjects will drop out of the experimental or control group at rates that change the nature of the comparison between groups
G) Subjects in the control and experimental group are initially different
H) Subjects' scores can change because they feel special for being chosen for an experiment
Correct Answer:

Verified
Correct Answer:
Verified
Q17: When comparison groups are assigned prior to
Q18: Experimental and some quasi-experimental designs establish association
Q19: A comparison group in a true experiment
Q20: Match the key term to its description.<br>-Testing
Q21: Which of the following is the threat
Q23: Match the key term to its description.<br>-Randomization<br>A)
Q24: Match the key term to its description.<br>-One
Q25: External validity deals with changes in the
Q26: Match the key term to its description.<br>-Ex
Q27: Match the key term to its description.<br>-Control