Which Statement Is TRUE Concerning a Coefficient of Correlation

question 81

Multiple Choice

Which statement is TRUE concerning a coefficient of correlation?

• A) A correlation coefficient is an index of the causal relationship between two variables.
• B) A correlation coefficient may be useful in prediction.
• C) It covaries with the standard deviation.
• D) It came about as a result of someone asking Francis Galton what his "sign" was.

---

Definitions:

Psychological Consequences

The mental and emotional effects that result from certain experiences, decisions, or events.

Frequent Headaches

Repeated occurrences of head pain, which can be a symptom of various medical conditions or stress.

Skin Conditions

Refers to any disorder or disease that affects the skin, including rashes, dermatitis, acne, and psoriasis.

Task Demand Stressor

Describes conditions or aspects of a task that require sustained physical or mental effort, potentially leading to stress.