In Order to Compute a Correlation Coefficient Between Traits a and B

question 58

Multiple Choice

In order to compute a correlation coefficient between traits A and B, it is necessary to have:

• A) one group of subjects, some of whom possess characteristics of trait A, the remainder possessing those of trait B.
• B) measures of trait A on one group of subjects and of trait B on another.
• C) one group of subjects, some of whom have both A and B, some have neither, and some have one but not the other.
• D) two groups of subjects, one which could be classified as A or not A, the other as B or not B.
• E) measure of traits A and B on each subject in one group.

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Definitions:

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Theory

A systematically organized set of concepts, explanations, and predictions about phenomena, serving as a framework for understanding or investigating those phenomena.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

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The results or findings derived from conducting scientific research, which can provide insights or answer research questions.