Sixty Percent of a Test's Variance Is Caused by the Variance

question 34

Short Answer

Sixty percent of a test's variance is caused by the variance of true scores, whereas 40% of the variance is caused by error. What is the test's reliability?

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Definitions:

Smoking Ban

A legal restriction or prohibition against smoking tobacco or similar substances in public spaces.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Economic Principle

Fundamental concepts or theories that underpin the study and understanding of economics, guiding analysis of economic behavior and decision making.

Federal Government

The national government of a federated state, which holds the authority to govern at a national level.