Assume That You Are Predicting X from Y

question 18

Multiple Choice

Assume that you are predicting X from Y. Which of the following correlation coefficients would yield predictions with the most error?

• A)r = -.20.
• B)r = -.40.
• C)r = -1.00.
• D)r = +.10.

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Definitions:

Neurotransmitter

Chemical substances in the brain that transmit signals from one neuron to another across synapses.

Amnesia

A condition in which a person is unable to remember important information or experiences, typically due to trauma or medical conditions.

Serotonin

A chemical messenger that plays a crucial role in regulating mood, digestive functions, and sleep patterns.

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen atoms, crucial for providing energy to the body's cells, especially the brain and muscles.