Which of the Following Statements About Simple Correlation Analysis Are

question 129

Multiple Choice

Which of the following statements about simple correlation analysis are correct?

• A) When all the points in a scatter diagram lie precisely on the estimated regression line, the sample coefficient of correlation will equal 0.
• B) When all the points in a scatter diagram lie precisely on the estimated regression line, the sample coefficient of correlation will show the variables to be perfectly correlated.
• C) When all the points in a scatter diagram are so widely scattered as to make x completely worthless as a predictor of y, the sample coefficient of correlation will equal 1.
• D) All of these.
• E) None of these.

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Definitions:

Positive Reinforcer

A trigger that, when applied post-behavior, augments the likelihood of the recurrence of that behavior.

Primary Reinforcer

A stimulus that satisfies a basic need or instinct, such as food, water, or warmth, and is inherently rewarding.

Fixed-Ratio Schedule

A reinforcement strategy in operant conditioning where a response is rewarded only after a specified number of responses.

Reinforcement

In behavioral psychology, a process by which the likelihood of a behavior's occurrence is increased through the addition of a stimulus following that behavior.