External validity refers to the degree to which
A. participants were assigned to the various conditions on the basis of representative criteria.
B. the experimental situation engages participants and leads them to behave naturally and spontaneously.
C. there can be reasonable certainty that the independent variables in an experiment caused the observed effects on the dependent variables.
D. there can be reasonable confidence that the same results would be obtained for other people and in other situations
Answer: D. there can be reasonable confidence that the same results would be obtained for other people and in other situations.
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Regarding research on the classical conditioning of taste aversions, which of the following statements is FALSE? a. Conditioning of taste aversions can be acquired on the basis of a single pairing of the flavor with a nausea- inducing substance. b. Taste aversions can be acquired when the flavor is presented hours before the nausea-inducing substance. c. Garcia and Koelling's work on taste
aversions was no surprise to their colleagues? the research turned out asexpected. d. Garcia has applied his research to solve real-world problems. e. Conditioned taste aversions have survival benefits.
In Mischel's research, children who had waited longer in an experimental situation that required self-imposed delay of gratification at age 4 were described by their parents 10 years later as than their peers
a. having more difficulty using and responding to reason b. more distractible and less able to concentrate c. more frustrated d. more verbally fluent and able to plan ahead
The right hemisphere is dominant for language function in
a. no one. b. about 95 percent of right-handers and 70 percent of left-handers. c. about 19 percent of left-handers and three percent of right-handers. d. all left-handed persons.
Goals that are not written are the most helpful.
Answer the following statement true (T) or false (F)