The d statistic, the result of meta-analysis, is basically a function of ________ divided by ___________
a. difference in means; average standard deviation
b. standard deviation; difference in average means
c. difference in ANOVAs; average standard deviation
d. average spread; average difference statistic
Answer: a: difference in means; average standard deviation
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Marcie finds that remembering her ATM card number and pin number are much easier when she groups the twelve numbers into sets of threes instead of trying to remember twelve separate numbers. What technique is Marcie using to extend her short-term memory capacity??
a. ?mnemonic strategies b. ?stringing c. ?chunking d. ?method of loci
In Yellowstone National Park, a small group of employees runs a fast food operation which is physically removed from all of the larger lodges in town. These employees comment that they feel separated from the company's other operations; however, each summer this group tends to be a tight-knit group. This exemplifies:
a. group homogeneity b. stability of group membership c. group isolation d. outside group pressure
_____ excite the central nervous system, resulting in heightened arousal and activity levels.
A) Depressants B) Sedatives C) Stimulants D) Carcinogens
When the independent variable represents categorical information, the pictorial representation of the data should be:
a. a bar graph. b. a line graph. c. a frequency polygon. d. either a line graph or a frequency polygon.