A Test Must Be Both Reliable and Valid in Order

question 6

True/False

A test must be both reliable and valid in order to be useful.

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Definitions:

Body Fat

The portion of the human body made up of fat cells, significant for energy storage and insulation.

Cortisol

A steroid hormone produced by the adrenal gland, often released in response to stress and a component of the body's fight or flight response.

REM Sleep

A stage of sleep characterized by rapid eye movements, more dreaming, and bodily movement.

Vivid Dream

A very clear, detailed, and realistic dream that is often easily remembered upon waking.