Which of the Following Is True of R²

question 26

Multiple Choice

Which of the following is true of R²?

• A)R² is also called the standard error of regression.
• B)A low R² indicates that the Ordinary Least Squares line fits the data well.
• C)R² usually decreases with an increase in the number of independent variables in a regression.
• D)R² shows what percentage of the total variation in the dependent variable, Y, is explained by the explanatory variables.

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Definitions:

Observational Learning

Learning that occurs when a person observes the rewards and punishments of another’s behavior and then behaves in accordance with the same rewards and punishments.

Social-cognitive Learning

A theory that posits learning occurs in a social context with a dynamic and reciprocal interaction of the person, environment, and behavior.

Negative Reinforcement

Process in which people avoid being exposed to feared objects and their avoidance is reinforced by the subsequent reduction of their anxiety.

Natural Environment Type Phobia

A persistent and irrational fear of specific situations, activities, or things in the natural environment, such as heights or water.