If most people who had high scores the first time they took a test also have high scores on a retest, what if anything can we conclude about the test?
a. The test is unbiased.
b. The test has high reliability.
c. The test has high validity.
d. We can draw none of these conclusions.
b
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Gina and David are both 12 years old. Given what we know about adolescent height and weight growth spurts, which would you expect to find?
a. David is taller than Gina. b. Gina is taller than David. c. David weighs more than Gina. d. They would be the same height and weight as neither have entered the adolescent growth spurt.
Researchers found that happiness predicted bigger increases in income, while higher income did not predict increases in happiness. What was the basic explanation for the former?
a. ?Happy people form better relationships. b. ?Happy people are better educated. c. ?Happy people are more competent. d. ?Happy people are healthier.
Shaping is
a. an event that typically precedes the target response. b. accomplished by reinforcing closer and closer approximations of the desired response. c. a systematic approach to changing behavior through the application of the principles of conditioning. d. a written agreement outlining a promise to adhere to the contingencies of a program.
How can researchers estimate the heritability of a trait?
What will be an ideal response?