The rule that every member of the base group has an equal chance

of being selected for the sample group refers to sample

A. size.
B. sufficiency.
C. longevity.
D. scope.
E. representativeness.

E

Communication & Mass Media

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Which of the following is NOT usually considered a valid research source?

A) library B) Internet C) a friend D) newspaper

Communication & Mass Media

Knowledge for the occupational exchange includes

a. occupational information and general knowledge. b. orientations to work and workers. c. technical requirements. d. product/service interests.

Communication & Mass Media