In a Multiple Regression Model, the Standard Deviation of the Error

question 107

Multiple Choice

In a multiple regression model, the standard deviation of the error variable $\varepsilon$ is assumed to be:

• A) constant for all values of the independent variables.
• B) constant for all values of the dependent variable.
• C) 1.0.
• D) None of these choices are correct.

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Definitions:

Successive Approximations

A method used in conditioning and learning in which behaviors are broken down into simpler steps and rewarded progressively as they become closer to the desired behavior.

Shaping

A method used in behavioral psychology to gradually teach new behaviors through the use of reinforcement for successive approximations to the desired behavior.

Discriminative Stimulus

A specific cue or stimulus in the environment that signals the availability of reinforcement or punishment, guiding behavior accordingly.

Reinforcement

In behavioral psychology, a stimulus that increases the probability of a behavior being repeated.