Weber's law can be used to predict
a. the difference between recall and recognition performance.
b. the difference between reaction time and accuracy performance.
c. the relationship between IQ scores and academic performance.
d. the just noticeable difference (jnd).
D
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Of the possible benefits of stimulant drugs, which one is most strongly demonstrated?
a. After several years of use, the drugs improve academic performance. b. Fairly quickly, the drugs reduce impulsivity and attention problems. c. The drugs improve academic performance for those already doing well. d. The drugs prevent the later development of bipolar disorder.
Exner's attempts to provide adequate norms for the Rorschach have largely failed because
a. he miscalculated the actual number of people in the norming group. b. his sample came from relatives of psychiatric patients. c. his sample did not use both males and females. d. only educated people from upper income levels were used.
What can we conclude about college students' accuracy on measures of metacomprehension?
a. Students' metacomprehension is generally as accurate as their metamemory for learning pairs of English words. b. Metacomprehension is about as accurate for reading comprehension as for other items on the verbal portion of the SAT. c. Students are only slightly more confident about the items they answered correctly than the items they answered incorrectly. d. There is no relationship between students' confidence about whether they answered an item correctly and their actual accuracy.
Lottery winners tend to be happier than normal for about 12 months following their win
Indicate whether the statement is true or false