How does multiple regression differ from simple regression?

How does multiple regression differ from simple regression?

a. it contains multiple data points
b. it involves multiple dependent variables
c. it includes multiple independent/predictor variables
d. it can always be used to establish causality

Which of the following is an example of a dichotomous closed-ended question?

a. Do you drive a car? Yes or No
b. What type of car do you drive? ____________
c. I experience road rage__Never ___ Sometimes ____ Always
d. I drive ______ miles a day.

The amount of change in Y for every one unit increase in X is indicated by the

a. magnitude of the correlation coefficient.
b. correlation coefficient sign.
c. y-intercept.
d. slope (regression coefficient).

In this textbook, summaries are provided at the end of each chapter.

Indicate whether the statement is true or false

Why is a five point rating scale generally preferred over a dichotomous scale?

a. it results in data that is easier to code and analyze.
b. it is easier to classify the strength of an opinion.
c. it is easier for participants to understand.
d. a dichotomous scale does not include exhaustive categories

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How does multiple regression differ from simple regression?

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