Representativeness of a sample is principally determined by the _____
a. method of sampling used
b. size of the sample
c. symmetry of the population distribution
d. standard error of the mean
A
Psychology
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Which of the following tests is considered to be more powerful?
a. A one-tailed test b. A two-tailed test c. Neither; they are both equally statistically powerful d. Which is more powerful depends on the sample size
Psychology
Louise Brown grew up with the knowledge that she was the first person to be conceived using in vitro fertilization. This atypical experience in her life is referred to as a __________ event
a) normative sociocultural-graded b) non-normative life c) normative age-graded d) normative history-graded
Psychology