Lynn identifies the five ethnic groups that are represented in her town. She then randomly selects people from each ethnic group to invite to participate in her study. She is employing ______ sampling.
A. simple random
B. systematic random
C. stratified random
D. cluster
Ans: C
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Suppose a father has red-green color deficiency and the mother has normal color vision. What color vision will their children have?
a. Half of the sons will be color deficient, but the daughters will have normal color vision. b. All will have normal color vision, but the daughters could have color-deficient children. c. All of the sons will be color deficient, but the daughters will have normal color vision. d. All of the sons will have normal color vision, but the daughters will be color deficient.
Therapists often use to change negative thought patterns
a. behavior modification b. psychoanalysis c. cognitive therapy d. humanism
Sascha is in a marching band. Because the band members move together identically, the audience perceives waves of motion. Sascha's band director has used the Gestalt principle of __________ to cause the audience to perceive the waves of motion.
A. texture B. simplicity C. closure D. common fate
Depression is rare in children under 12 years of age
Indicate whether the statement is true or false