Why do researchers not conduct several t-tests to analyze experiments that have more than two conditions?
a. the means will be invalid
b. the sample size is too small
c. Type I error is inflated
d. the power of the analysis is low
e. all of the above
C
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Which piece of advice is most appropriate for individuals in developing nations who are considering bottle-feeding? a. Be careful, as the water used to prepare formula is often contaminated
b. Go for it, as there are very few risks associated with bottle-feeding. c. Great choice, as bottle-feeding is associated with less malnutrition. d. It doesn't matter whether you breast- or bottle-feed, as each technique impacts the child in an identical manner.
A bar patron tells his buddies, "I've been studying you guys for months now, and I conclude that you are all nuts!" The bar patron applied a crude type of
a. structured observation. b. naturalistic observation. c. practice effect. d. time-sampling.
Henry hears German spoken in his home, but he is exposed only to English in school. It is likely that Henry
A) will fail to experience difficulties in either language. B) will have improved metalinguistic ability. C) will show metalinguistic deficits. D) will have difficulties in vocabulary, but not syntax.
Actual retaliation produces a cathartic effect, but symbolic retaliation does not
Indicate whether the statement is true or false