Use the Following to Answer Questions 16-18

Use the following to answer questions 16-18:
In each set, match a concept from Group A to a definition or example from Group B.
-Sources of Internal Invalidity in Experiments
Match the measurement procedure in Group A to the definition in Group B.
Group A
1. Pretesting
2. Selection bias
3. The History Effect
4. The Hawthorne Effect
5. Demoralization
6. The John Henry Effect
7. Regression
8. Mortality

Group B
a. Things can happen outside the experiment that change subjects' scores
b. Competition between control and experimental groups can change scores
c. Subjects' scores can change because they feel special for being chosen for an experiment
d. Subjects will drop out of the experimental or control group at rates that change the nature of the comparison between groups
e. Measurement before experimental treatment may change subjects' scores on posttest
f. Inferences about group processes are drawn from individual level data
g. Subjects in the control group may feel deprived of treatment and perform worse on posttests than expected
h. Extreme scores used to select subjects will move back toward the average in subsequent testing
i. Subjects in the control and experimental group are initially different