I Multiple Regression Is Used When Two or More Independent

question 50

Multiple Choice

i. Multiple regression is used when two or more independent variables are used to predict a value of a single dependent variable.
Ii) The values of b1, b2 and b3 in a multiple regression equation are called the net regression coefficients. They indicate the change in the predicted value for a unit change in one X when the other X variables are held constant.
Iii) Autocorrelation often happens when data has been collected over periods of time.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

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Definitions:

Genetic Blueprint

The set of genetic instructions encoded in DNA that defines the characteristics of an organism.

Maturation

The process of development in which an individual matures or reaches full functionality, often used to describe the physical and psychological growth that occurs naturally with age.

Habituation

Tendency of the brain to stop attending to constant, unchanging information.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from traumatic events or persistent failure to succeed. It is thought to be one of the underlying causes of depression.