Carla has just run a series of experiments involving college students as participants. The experiments were all conducted in a controlled environment on campus
Carla is now interested in whether her findings would apply to both younger and older people in neighborhoods and towns outside of the college. Carla is concerned with ________. a) random assignment
b) dependent variables
c) external validity
d) experimental methods
c
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THC metabolites can be detected in the bloodstream at least 30 days following ingestion of a single dose
a. True b. False Indicate whether the statement is true or false
Wilfred has an identical twin brother who has just been diagnosed with schizophrenia. The odds that Wilfred will develop schizophrenia during his lifetime have:
a. dropped from 1 in 2 to approximately 1 in 10 b. not changed because schizophrenia is not related to genetics c. jumped from approximately 1 in 100 to 1 in 200 d. jumped from approximately 1 in 100 to 1 in 2
Taking a midafternoon nap
a. is indicative of a person with hypersomnia. b. are not really restful. c. can help people in occupations that require long periods of alertness. d. are only beneficial to the very young and the very old.
By about age _________ , many children have learned to verbalize information silently to themselves by counting mentally, for example, rather than aloud
A) one B) ten C) five D) three