What Must Be True for a Correlation Coefficient to Be

question 12

Multiple Choice

What must be true for a correlation coefficient to be calculated between two traits?

• A) The values for the traits must have been obtained from unbiased sampling
• B) The relationship between the two traits must be linear
• C) The traits must follow a normal distribution
• D) All of the answers are correct

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Definitions:

Affective Disorder

A category of mental health disorders that primarily affect mood and emotions, such as depression and bipolar disorder.

Bipolar

A mental disorder characterized by periods of elevated mood and periods of depression.

Depression

is a common mental health disorder characterized by persistent sadness, loss of interest, and a lack of energy or motivation.

PTSD

Post-Traumatic Stress Disorder, a mental health condition triggered by experiencing or witnessing a terrifying event, characterized by flashbacks, nightmares, and severe anxiety.