One measure of the overall sampling error in the entire distribution of
sample means is the
a. standard error of the mean
b. population mean
c. population median
d. sample's true amount of bias
a
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Disputing irrational beliefs and replacing them with more rational ones is the primary goal of __________.
A. rational emotive behavior therapy B. humanistic, client-centered therapy C. behavior therapy D. cognitive-behavioral therapy
Feathers probably evolved for insulation in flightless dinosaurs, but they turned out to be useful for flight in birds, the dinosaurs' descendants. Feathers are considered ________ because feathers did not evolve for that purpose.
A. by-products B. adaptation C. natural selection D. chance mutations
Which of the following indicates a significant problem in an infant's communication system?
A. a lack of pointing by 15 months of age B. only speaking 150 words by two years of age C. not being able to speak 50 words by 15 months of age D. a lack of pointing by seven months of age
Children of older parents tend to experience______.
A. less positive parenting behaviors B. fewer visits to the hospital C. lower scores on measures of cognitive development D. more threats or slaps