What effect does a prism have on light?
a. It creates white light.
b. It separates light into white light of three wavelengths.
c. It creates the colors of orange, red, yellow, and blue.
d. It separates light into waves that vary in length.
D
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In an experimental study on the effects of exercise on stress, subjects are randomly assigned to either the no exercise group or the exercise group. These groups represent the _____ and the _____, respectively
a. independent variable; dependent variable b. dependent variable; independent variable c. control group; experimental group d. experimental group; control group
In recent years, death has impacted young and middle-aged adults in distinctive ways through
a. service in the military reserves b. their work as rescuers at the World Trade Center c. membership in the National Guard d. all of these e. none of these
This measure of central tendency is affected by extreme scores
a. median c. mean b. mode d. frequency
What is social psychology?
a. The study of how biology affects behavior. b. The study of how we influence and are influenced by groups. c. The study of the relative contributions of nature and nurture to behavior. d. The study of cultural differences in beliefs, attitudes, and behavior.