Gustavo often experiences brief episodes of sleep while he is in his psychology class. These brief episodes are called ____
a. ?microsleeps
b. ?macrosleeps
c. ?circadian rhythms
d. ?sleep spindles
ANSWER:
a
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Which of the following is NOT a beneficial effect of stress?
a. Promotes positive psychological change b. Satisfies a need for stimulation and challenge c. Prepares individuals so they are less affected by future stress d. Resistance to physical illness
In a within-subjects study that extends over a relatively long time, it is possible that there will be systematic changes in the participants' skills or knowledge during the time of the study. When these changes influence the participants' scores, causing scores at the end of the study to be different from scores at the beginning, the effect is called ____
a. history effects b. instrumentation c. maturation d. regression toward the mean
Regarding frequency distributions, which of the following statements is FALSE?
a. The entire range of possible scores is broken down into classes of equal size. b. Scores are often expressed graphically to make them more "visual.". c. Scores are listed in random order. d. Large amounts of numerical information can be clearly organized.
At the two-word stage, children's utterances are likely to
a. be unintelligible. b. be inconsistent with respect to word order. c. be unaffected by the semantic relationships among words. d. contain consistent word orders.