With an Ex Post Facto Study, Researchers Compare Two or More

question 55

True/False

With an ex post facto study, researchers compare two or more groups.

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Definitions:

Correlation Coefficient

A statistical measure that calculates the extent to which two variables change together, indicating the strength and direction of a linear relationship.

True Score

The actual score that accurately reflects the tested attribute or characteristic without error.

Reliable Measure

A consistent and dependable method of measurement that yields the same results under similar conditions.

Measurement Error

The difference between a measured value and the true value that can result from various inaccuracies or biases.