Activation of the neurotransmitter adenosine circuitry has sedative and depressive effects. Therefore, which of the following drugs likely serves as an antagonist at adenosine receptors?
A. alcohol
B. benzodiazepines
C. caffeine
D. LSD
Answer: C
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Suppose that you are taking a multiple choice test where there is no correction for guessing. If you aren't sure of the answer,
a. only guess if you have some confidence you are correct. b. you should always guess on a speed test. c. you should always guess. d. you should never guess.
Daniel fits the profile of a person who might engage in a sexually aggressive manner. This means that he probably exhibits ____ in response to violent pornography and tends to have ____ attitudes toward violence against women
a. increased arousal? negative b. increased arousal? posit c. decreased arousal? negative d. decreased arousal? positive
Luz's neighbor, Dr. Spire, is a professor of sociology at a community college. Dr. Spire takes Luz to class with her when Luz is on school vacation, and she encourages Luz to think about attending college. Luz has great respect for Dr. Spire, and Dr. Spire loves watching Luz grow more confident in her ability to go on to college. This is an example of
A. formal mentoring. B. upward-mobility mentoring. C. quasi-parental mentoring. D. natural mentoring.
A researcher is studying the effect of caffeine on students' performance on a visual-spatial test
He tells his research assistant that some students are visual-spatial "gifted" and other students are visual-spatial "challenged," even though there are no actual differences between the two groups. After the assistant collects the data, the results indicate that the "gifted" group outperformed the "challenged" group. This illustrates a) experimenter expectancies b) experimenter characteristics. c) participant expectancies. d) participant characteristics.