A researcher drew a sample by selecting every tenth name in a telephone directory. Which of the following types of sampling did she use?
A. convenience
B. stratified
C. simple random
D. systematic
Answer: D
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In gathering discriminant evidence in a validity study, one determines the correlation between measures of ____ constructs obtained from ____ methods
a. same, same c. different, same b. same, different d. different, different
Books that have the same author, theme, topic, genre, or some other relationship are called _______
Fill in the blank(s) with the appropriate word(s).
The Child Development Associate is:
a. a child care worker in a licensed child care program. b. a graduate of an accredited four year institution. c. a nationally recognized credentialing program. d. one who plans to attend a two year institution.
Math and science
a. are the most important subjects that one can study in college. b. can teach a process of thinking that is valuable in itself. c. are the most difficult subjects in college. d. are the scariest subjects in college.