If the Researcher Suspects That the Strength of the Relationship

question 142

Multiple Choice

If the researcher suspects that the strength of the relationship between two variables in the population is .50 as indexed by Cramer's statistic,what sample size should she use in a study involving a 3 x 3 contingency table and an alpha level of .05 to achieve a power of .70?

• A)7
• B)19
• C)22
• D)28

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Definitions:

Spontaneous Recovery

The reappearance of a conditioned response after a period of its extinction or reduction, without further conditioning.

Conditioned Stimulus

An initially indifferent stimulus which, after being combined with an unconditioned stimulus, triggers a conditioned response.

Unconditioned Stimulus

In traditional conditioning, a stimulus instinctively and spontaneously elicits a response without needing any previous learning.

Discrimination

The unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex; in psychology, it also refers to the ability to perceive and differentiate between stimuli.