Subtests of the WAIS-IV are organized into four scales that measure verbal comprehension, perceptual reasoning, working memory, and processing speed
a. true
b. false
Answer: a. true
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If a researcher reported for a two-tailed single-sample t test that t(13) = 1.46, then:
a. p < .02. b. p < .05. c. p < .01. d. the results are not significant.
Wilhelm Wundt’s brand of psychology focused on the study of ________, while John Watson’s brand of psychology focused on the study of ________.
A. consciousness; behavior B. children; animals C. psychological disorders; positive potential of human beings D. brain chemistry; maze learning E. adaptive behaviors; maladaptive behaviors
An experimenter predicts that using a warning signal in a different sensory modality will result in faster reaction time than using a warning signal in the same sensory modality. In a simple reaction time experiment, participants must press a button as quickly as possible when a red light comes on. On half of the trials, a yellow light comes on 500 ms before the red light; on the remaining
trials, a tone comes on 500 ms before the red light. The results show a significant difference in reaction time between the two conditions. Which of the following statements is accurate? a. A warning signal given in the same sensory modality is more effective than one in a different sensory modality. b. A warning signal given in a different sensory modality is more effective than one in the same sensory modality. c. There is no difference in the effectiveness of a warning signal based on its sensory modality. d. We cannot determine which warning signal was more effective based on the information given.
When a group of test items all share something in common that accounts for the high correlations among them, we can say they all share a common
a. cause. b. theory. c. nomological network. d. factor.