Word: iq
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...IQ tests are at least adequate measures of intelligence...
...About 80% of the variance in IQ scores is attributable to heredity...
...Earnings and prestige depend largely upon IQ...
...true that "the measurement of intelligence is psychology's most telling accomplishment?" Herrnstein answers by pointing out how well IQ tests work: "Rarely did a bright child, as judged by the adults around him, score poorly, and rarely did a poor scorer seem otherwise bright...
...which children do adults judge to be bright? In a well-known study, Rosenthal and Jacobson told teachers that a group of primary-school children, in fact randomly selected, were "spurters" of high intellectual potential. Because of the teachers' expectations, these children ended the year with higher IQ s than the "non-spurters...