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:

Effective Performance

Achieving desired outcomes or objectives efficiently and effectively with the optimal use of resources.

Chronic Renal Disease

A long-term condition characterized by a gradual loss of kidney function over time.

Calcium Carbonate

A commonly used dietary supplement or antacid that neutralizes stomach acid and is used to treat conditions like heartburn or calcium deficiency.

Phosphorus

A mineral important for the formation of bones and teeth and also plays a crucial role in how the body uses carbohydrates and fats.