As the Reliability of a Measure Decreases, the Magnitude of the Correlations

question 21

Multiple Choice

As the reliability of a measure decreases, the magnitude of the correlations between that measure and other measures

• A)decreases.
• B)increases.
• C)remains the same.
• D)approaches 1.00.

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Definitions:

Classes

In the context of data, refers to categories or groupings into which data points are sorted; in education, refers to courses of instruction.

Pearson Correlation Coefficient

A measure of the linear correlation between two variables X and Y, ranging from -1 to 1.

Strength

In the context of data, it refers to the magnitude or intensity of a relationship between variables, often gauged through correlation coefficients.

Relationship Between Variables

Refers to how one variable may change in relation to alterations in another variable, often measured by statistical tools to understand correlations or dependencies.