Scores were obtained from a random sample of 36 university professors on a memory task (x) and a riddle solving task (y). The standard deviation of the riddle solving scores was sy = 20, and the correlation between x and y was .75. Therefore, the estimated standard error of estimate is
a. 13.23
b. 13.42
c. 3.00
d. 10.15
Ans: B
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A researcher who wants to study how state welfare programs influence parenting behaviors would be primarily studying a. microsystems
b. exosystems. c. mesosystems. d. operant conditioning.
Which of the following statements is true about long-term memory?
A) It is analogous to a biochemical "hard drive." B) Its capacity to store information is limited. C) Long-term memories are always accurate. D) Long-term memories are lost by displacement.
Drugs used to treat bipolar disorder are called:
A) MAOIs. B) tricyclics. C) mood stabilizers. D) antipsychotics.
An advantage of focus groups over individual interviews is that they
a. reveal shared knowledge and social interaction. b. collect a representative sample of the population. c. more easily allow quantitative data collection. d. all of the above