Generally a Coefficient of Determination (R²) of 0

question 65

True/False

Generally a coefficient of determination (r²) of 0.30 or higher passes a goodness of fit test.

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Definitions:

Independent Variable

The variable that is intentionally changed by the researcher in an experiment to see if it produces an effect.

Internal Validity

Refers to how well a study is conducted, specifically whether it establishes a causal relationship between variables.

Causal Relationship

A connection between variables where a change in one directly influences the change in another.

Length Of Test

The duration or number of items that constitute a test, influencing factors such as assessment fatigue and comprehensiveness of evaluation.