Which of the Following Yields a Stratified Sample

question 21

Multiple Choice

Which of the following yields a stratified sample?

• A) All students in a class are divided into groups of 15. One student is randomly chosen from the first group, the remaining observations are every 15th student thereafter.
• B) The best 15 students, according to the opinion of the instructor, in a class are selected.
• C) All students in a class are grouped according to their gender. A random sample of 8 is selected from the males and a separate random sample of 7 is drawn from the females.
• D) The first 15 students in a class are selected without replacement.

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Definitions:

Ingroup Bias

The tendency to favor one's own group, its members, and its products over those of others.

Group Cohesion

The degree to which members of a group are bonded together and committed to achieving common goals.

Constructive Criticism

Feedback provided in a positive way with the intention of improving someone's behavior, work, or performance.

Peripheral Route

A method of persuasion that involves indirect cues, such as the attractiveness or credibility of the source, rather than direct argumentation on the topic itself.