In Order to Remove the Effects of a Third (Or

question 18

Multiple Choice

In order to remove the effects of a third (or more) variable on the relationship between two interval- or ratio-scaled variables, which of the following techniques is appropriate?

• A) n-way analysis of variance
• B) Partial correlation
• C) Logistic regression
• D) n-way cross tabulation

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Definitions:

Absolute Threshold

The minimum stimulus intensity required for detection by the senses.

Signal Detection

A technique used to determine the ability to differentiate between information-bearing patterns and random patterns that distract from the information.

Sensory Adaptation

Sensory adaptation is a phenomenon in which the sensitivity to a stimulus decreases over time as an organism becomes accustomed to its presence.

Just-noticeable Difference

The minimum difference in stimulus intensity required to detect a difference between two stimuli.