According to Cook and Campbell (1979), what are the three types of evidence used to identify the causes of a behavior?
A. alternative explanations, positive linear relationship, and construct validity
B. internal consistency reliability, item-total correlation, and covariation of cause and effect
C. temporal precedence, covariation of cause and effect, and alternative explanations
D. facilitated communication, alternate-forms reliability, and falsifiability
Answer: C
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According to Freud, the ______ follows the pleasure principle
a. id c. ego b. superego d. persona
Your nephew is extremely intelligent. Your family jokes with him that he is a giant nerd, not just because he is very intelligent, but because he also likes to learn and studies quite a bit. He has great social skills and enjoys the joking. What would you guess about his popularity at school?
A. Intelligence enhances popularity in middle school for those with good social skills, so he probably is quite popular. B. Since he is "nerdish," he probably has very few, if any, friends. C. Since other students are jealous of his intelligence, he is probably not very popular. D. He is probably very popular, since students really respect intelligence, regardless of how good his social skills are.
The membrane voltage level at which an action potential is triggered is termed the __________.
A. refractory period B. hyperpolarization event C. threshold of excitation D. rate level
The __________ is a device that takes advantage of the changing magnetic fields produced by the electrical activity of the brain to produce a record of neural activity in the awake brain.
A. neuromagnetometer B. magnetic resonance imaging scanner C. electroencephalograph D. transcranial magnetic stimulator