The Pearson correlation between X1 and Y is r = 0.50. When a second variable, X2, is added to the regression equation, we obtain R2 = 0.60. Adding the second variable increases the variability that is predicted by the regression equation for the Y scores by 36% - 25% = 11%

Indicate whether the statement is true or false


False

Psychology

You might also like to view...

In the presentation of research studies, you are more likely to see ______ that present descriptive statistics from data sets.

A. formulas B. pie charts C. tables D. equations

Psychology

In addition to habit reversal which of the following procedures have been found to be effective in decreasing habit behaviors?

a. DRO and response cost b. DRO and social disapproval c. DRO, response interruption and brief restraint d. all of these

Psychology

Rosie married a very wealthy man and, initially, was extremely happy that she could now afford all the things she could never have before. Six months later her happiness had lessened. She had become accustomed to having money and now took it for granted. According to recent research, Rosie's reduction in happiness is due to:

a. adaptation level theory c. contrast principle b. overjustification d. attribution

Psychology

"Autonomy"

a. is an irrelevant factor in moral arguments about euthanasia b. supports arguments against an individual's right to refuse treatment that is necessary topreserve his or her life c. means being able to make law for oneself d. means one is morally permitted to override the decisions of others concerning the preservation of his or her life e. none of these

Psychology