In Observational Studies, the Variable of Interest

question 62

Multiple Choice

In observational studies, the variable of interest

• A) is not controlled.
• B) is controlled.
• C) must be numerical.
• D) cannot be numerical.

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Definitions:

Selective Deprivation

A concept in psychology that refers to the effects of depriving an organism of specific stimuli, such as light, sound, or social interaction, and studying the effects on development or behavior.

Slow-Wave Sleep

A deep sleep stage characterized by low frequency, high amplitude brain waves, essential for restorative sleep, memory consolidation, and hormonally regulated bodily functions.

REM Sleep

A phase of sleep characterized by rapid eye movement, where dreaming and increased brain activity occur.

Sleepwalking

A sleep disorder where a person walks or performs other complex behaviors while in a state of partial awakening from deep sleep.