Which of the following is not an advantage of a stratified random sample?

a) Representativeness of relevant variables is assured
b) No prior knowledge of population is needed
c) Sampling error is reduced
d) Selection is made from a homogenous group


B

Communication & Mass Media

You might also like to view...

Which of the following is a not concern when a practitioner is planning a convention?

A) timing B) audience C) planner fatigue D) facilities E) program

Communication & Mass Media

Sarah concluded her introduction by saying, "Today, we are going to first examine Oscar the Grouch

and secondly explain how he has been a great role model for me." Sarah was A) gaining the audience's attention. B) previewing the development of the thesis. C) stating the thesis. D) favorably disposing the audience to the topic. E) trying to achieve identification with the audience.

Communication & Mass Media

Cadence refers to the _____ in a speech.

A. rhythm of the language used B. dramatic implications C. correct grammar usage D. clarity of the language used

Communication & Mass Media

The primary purpose of an introduction is to

A) make the audience laugh. B) tell what all of your sources are. C) move your audience to action. D) get the audience's attention.

Communication & Mass Media