With regard to threats to internal validity, which of the following is not related to your methods?
A) replication with extension
B) reactive arrangements
C) interaction of selection and treatment
D) multiple-treatment interference
E) interaction of testing and treatment
A
Psychology
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Hashish is a potent form of which psychoactive drug?
a. marijuana b. cocaine c. mescaline d. methamphetamine e. Ecstasy
Psychology
In an experiment, pregnant rats were injected with testosterone. What were the results on their offspring?
a. There were no effects. b. Male offspring exhibited feminine mating patterns. c. Male offspring exhibited masculine mating patterns. d. Female offspring exhibited masculine mating patterns.
Psychology