Stratified Random Sampling Is a Method of Selecting a Sample

question 3

Multiple Choice

Stratified random sampling is a method of selecting a sample in which _____.

• A) the sample is first divided into groups, and then random samples are taken from each group
• B) various strata are selected from the sample
• C) the population is first divided into groups, and then random samples are drawn from each group
• D) None of the answers is correct.

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Definitions:

Pavlov

A Russian physiologist best known for discovering the principle of classical conditioning through experiments with dogs and bells.

Conditioned Response

A learned reaction or response to a previously neutral stimulus that has become conditioned through association with a stimulus that elicits an automatic response.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers an unconditioned response without any prior learning.

Conditioned Stimulus

A stimulus that was once neutral but, after being paired with the unconditioned stimulus, gradually induces a conditioned response.