If the Reliability Coefficient for a Set of Test Scores

question 10

Multiple Choice

If the reliability coefficient for a set of test scores is .90, we know that

• A) 90 % of the variance is true variance; 10 % is unknown.
• B) 90 % of the variance is true variance; 10 % is error.
• C) 90 % of the variance is true variance; 10 % is reliable.
• D) 81 % of the variance is true variance; 19 % is error.
• E) 81 % of the variance is true variance; 19 % is unknown.

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