In an experiment, researchers can be reasonably confident that the treatment brought about the observed results if they use
A) different geographic regions for their study.
B) valid treatments in the study.
C) random assignment of study participants to treatment groups.
D) experimental groups in the study.
C
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Which of the following students provides the best summary about the current status of the information-processing approach?
a. Alena: "The information-processing approach is now more popular than the parallel distributed processing approach, because most cognitive tasks require serial processing." b. Magda: "The information-processing approach has declined in popularity during recent years, because those models are not complex enough to explain many cognitive activities." c. Dave: "The Atkinson-Shiffrin information-processing model is still extremely popular, and it remains at the cutting edge of cognitive psychology." d. Samuel: "The most important model is one in which the information-processing approach has been blended with the gestalt approach, in order to explain higher mental processes."
Research on female orgasmic disorders suggests that the problem is ____
a. due to neurotransmitter deficits b. related to inhibited sexual desire c. around 10 percent of all woman have never achieved an orgasm d. much more widespread than previously believed
Suppose an elementary school teacher is interested in measuring the amount of time a young student in her class is working productively versus chatting with classmates. It would be most appropriate for the teacher to use a
a. questionnaire. b. behavioral measure. c. self-report measure. d. face-to-face interview.
Regarding neurotransmitters, which of the following statements is FALSE?
a. Slight variations in neurotransmitter function may be related to temperament differences in infancy and personality differences in adulthood. b. Too much acetylcholine may cause schizophrenia. c. Too little serotonin may underlie depression. d. Some neurotransmitters are used by specific "pathways" that interlink regions of the brain which prevents the intermixing of messages.