A Researcher Wants to Be Able to Predict First-Semester Grade

question 109

Multiple Choice

A researcher wants to be able to predict first-semester grade point average with as much accuracy as possible, so she would like to use both high school grade point average and SAT score as predictor variables.Which technique would be most appropriate to make this prediction?

• A) simple linear regression
• B) proportionate reduction in error
• C) multiple regression
• D) standardized regression coefficient

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Definitions:

Involuntary Muscles

Muscles that operate automatically without conscious control, such as the heart and muscles in the digestive system.

Autonomic Nervous System

The part of the nervous system that controls involuntary bodily functions such as heartbeat, digestion, and breathing.

Somatic

Relating to the body, especially as distinct from the mind or emotions; often used in reference to bodily symptoms with no apparent physical cause.

Parasympathetic

The part of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.