A Variable That Has No Unique Variance (Or Random Variance)

question 4

Multiple Choice

A variable that has no unique variance (or random variance) would have a communality of:

• A)1
• B)0
• C)0.1
• D)0.01

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Definitions:

Brain Activity

The functioning of the brain involving electrical impulses, chemical reactions, and neural connections, which can be monitored and measured through various techniques.

Psychoactive Drug

A chemical substance that changes brain function and results in alterations in perception, mood, consciousness, cognition, or behavior.

Appetite

The desire to eat food, felt as hunger; a natural, instinctual response to the body's need for nutrition.

Pulse Rate

The number of times the heart beats per minute, indicating the heart rate and providing insights into one's cardiovascular health.