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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Definitions:

Administration Assistants

Professionals responsible for general office duties such as scheduling, communication, and managing files.

Test Situation

A controlled environment or condition in which experimental or diagnostic tests are conducted.

Coffee Shop

A retail establishment that serves coffee and other beverages, often providing a comfortable atmosphere for socializing or work.

Supermarket Chain

A group of retail grocery stores under the same brand and management, operating in multiple locations.