For scores measured on a nominal scale of measurement (for example, job classification), which measure of central tendency is appropriate?
a. mean
b. median
c. mode
d. standard deviation
c
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P.W. Herman wants to know whether consumption of alcoholic beverages affects peoples' bicycling abilities. He suggeststhat the alcohol itself doesn’t have any negative effects, but that people who drink alcohol expect to have their riding abilities impaired so they "act drunk." To control for the participants' expectations, P.W. gives half of his sample vodka and the other half of his sample
vodka-flavored water. P.W. is using a(n)____research method, and the vodka-flavored water is a ____.? a. ?naturalistic observation; confounding variable b. ?survey; confounding variable c. ?experimental; placebo d. ?experimental; treatment variable
Rules of thumb or cognitive strategies are known as:
a. framings c. brainstorming b. heuristics d. prototypes
What is a characteristic of an engaging job?
A. there is ambiguity in what duties one has B. having chances to develop C. non-strenuous tasks D. the tasks deviate from what is expected
Until about one year of age, infants respond similarly to sounds that occur in all languages. However, after one year of age, they can detect subtle differences among sounds only in their native language. This is a good example of
A) heritability. B) experiential canalization. C) genetic determinism. D) active niche-picking.