Psychology: A Self-Teaching Guide

6. A population is
   a. a very large sample
   b. defined by its bias
   c. a subset of a sample
   d. a well-defined group


7. The research of Lewis Terman on gifted children is an example of
   a. the experimental method
   b. the clinical method
   c. the testing method
   d. the validity method


8. The size of the right foot can usually be used to predict the size of the left foot.
   This is an example of a
   a. zero correlation
   b. negative correlation
   c. positive correlation
   d. lack of covariance


9. In an experiment, the control group
   a. receives no treatment
   b. receives a novel treatment
   c. is expected to provide particularly interesting data
   d. is the error variance group


10. The variable that is assigned to the subjects by the experimenter is called
    a. the dependent variable
    b. the independent variable
    c. the organismic variable
    d. the congruent variable

ANSWERS TO THE SELF-TEST

1-d 2-a 3-c 4-b 5-a 6-d 7-c 8-c 9-a 10-b

ANSWERS TO THE TRUE-OR-FALSE PREVIEW QUIZ

1. True.


2. False. Naturalistic observation does not use a control group.


3. True.


4. True.


5. False. One of the advantages of the experimental method is that it provides a
   researcher a way to obtain control over variables.

28 PSYCHOLOGY