A Researcher Measures the Following Correlation: R = -0

question 27

Multiple Choice

A researcher measures the following correlation: r = -0.21.What is the value of the coefficient of determination?

• A)0.04
• B)-0.04
• C)0.42
• D)-0.42

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Definitions:

Neurological Disorders

Diseases of the nervous system, affecting the brain, spine, and nerves connecting them.

Extrapyramidal Side Effects

Undesirable symptoms caused by certain medications, affecting movement and muscle control, such as tremors or rigidity.

Antipsychotic Medication

Medicines designed to manage psychosis and other mental health conditions by altering brain chemistry to reduce symptoms like hallucinations.

Motor Dysfunction

Impairment or limitation in the physical movement or control of the body, often resulting from neurological or muscular conditions.