Members of a population, which are included in a sample, are referred to as
a. sampling units.
b. elements.
c. units of analysis.
d. both elements and units of analysis.
e. none of these
d
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The question of internal validity refers to
a. the comparison of the results obtained for the experimental group with those obtained for the control group. b. whether the experimental stimulus really affected the dependent variable. c. the determination of the proper time to do the posttest. d. the determination of the proper time to do the pretest. e. generalizability.
The model allows a researcher to examine more than two variables at a time
a. multivariable b. elaboration c. variable d. interpretation e. central tendency
Ageism refers to the use of a person's perceived or chronological real age as the basis for discriminatory actions.
Answer the following statement true (T) or false (F)
How many people have been killed in wars in this century alone?
a. 200 million b. 80 million c. 50 million d. 20 million