Derek's intelligence quotient (IQ) of 100
A) expresses the ratio of his chronological age to his mental age.
B) indicates the extent to which his raw score deviates from the typical performance of same-age individuals.
C) represents the number of test items he left unanswered as compared to those items he answered correctly.
D) is based on the average score from the same test taken at three different ages.
B
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What is responsible for recognizing threatening situations and coordinating appropriate responses?
a. thalamus b. cerebellum c. medulla d. hypothalamus
A researcher is interested in studying mental development in children and adolescents. He
obtains his children from area public schools, but obtains his adolescents from private schools. Which confound would be viewed as the biggest problem with this study? A) inducement confounds B) recruitment confounds C) experimenter bias D) chain sampling confounds