A researcher in the area of IQ wishes to measure a sample of children using the WISC III. The standard deviation on the WISC-III is 15. How large a
sample should be selected if the researcher wishes to be .
95 accurate to within
5 IQ points?
What will be an ideal response?
34.57 or 35 children
Psychology
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a. theory b. hypothesis c. opinion d. hunch
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Sound localization, pinpointing the source of a sound, is slightly poorer in infants due to
a. their lack of hearing experience. c. waxy buildup in their ears. b. low frequency sounds. d. their smaller heads.
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For monozygotic (MZ) twins, what is the correlation between their IQ scores?
.64 .45 .75 .95
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