The normal, expected difference between a statistic and a parameter is
called
a. sampling error
b. bias
c. controlled randomization
d. none of these, since statistics and parameters may never differ
a
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Life-threatening weight loss due to self-inflicted starvation is called
a. conditioned fasting. b. voluntary malnutrition. c. anorexia nervosa. d. bulimia nervosa.
A longitudinal study described in your book tested the level of self-esteem and depression over a two-year time period in workers who either remained in the labor force throughout the study or retired during the course of the study. What was found?
a. Level of self-esteem declined in the workers but not the retirees.
b. Depression scores declined in the retirees but not the workers.
c. Depression scores declined in the workers but increased in the retirees.
d. Level of self-esteem and depression scores increased in both workers and
retirees.
The technique for combating test anxiety, known as "rehearsal," involves
a. efforts to actively recall material in preparation for the exam. b. repeating single words during the test to produce relaxation. c. practice in dealing with possible test crises before taking the exam. d. incorporating successful test-taking strategies of others in your own routine.
In an oral presentation, it is a good idea to describe all the details about the subjects and apparatus used in your research.
Answer the following statement true (T) or false (F)