Harvard Educational Review, Volume 39Howard Eugene Wilson Harvard University, 1969 "The Harvard Educational Review is a journal of opinion and research in the field of education. Articles are selected, edited, and published by an editorial board of graduate students at Harvard University. The editorial policy does not reflect an official position of the Faculty of Education or any other Harvard faculty."-- Volume 81, Number 2, Summer 2011 |
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Page 23
... percent instead of only 25 percent of the population below IQ 90 ; and it would put 9 percent instead of 2 percent below IQ 70. And in the upper tail of the distribution , of course , the consequences would be the reverse ; instead ...
... percent instead of only 25 percent of the population below IQ 90 ; and it would put 9 percent instead of 2 percent below IQ 70. And in the upper tail of the distribution , of course , the consequences would be the reverse ; instead ...
Page 492
... percent and 20 percent , to be used a bit later . We thus have found twelve row means and ten column means ; the additive ANOVA model , with no interaction effects present , then enables us to find a mean value for each of the 120 cells ...
... percent and 20 percent , to be used a bit later . We thus have found twelve row means and ten column means ; the additive ANOVA model , with no interaction effects present , then enables us to find a mean value for each of the 120 cells ...
Page 574
... percent ; in other words , roughly two - thirds to four - fifths of the variance can be ascribed to heredity . This corresponds to the approximate correlational value of .90 of MZ twins frequently reported in the literature by ...
... percent ; in other words , roughly two - thirds to four - fifths of the variance can be ascribed to heredity . This corresponds to the approximate correlational value of .90 of MZ twins frequently reported in the literature by ...
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American analysis ARTHUR Arthur Jensen assortative mating average B. F. Skinner basic behavior child classroom cognitive College compensatory education component concept correlation cultural curriculum Dewey disadvantaged children discussion distribution educa effects environment environmental factors epistasis estimate evidence experience fact families function gains genes genetic factors genotype Harvard Educational Review Heidegger heredity heritability human important individual differences intellectual intelligence test interaction involved IQ tests issues Jensen learning LEROY F MARTIN DEUTSCH mean IQ measure ment mental abilities MZ twins Negro normal normal distribution parents percent persons phenotypic Piaget political population preschool present problems Professor Jensen's programs psychological psychometric question race racial reading reported role siblings social class society Stanford-Binet structure studies teachers teaching test scores theory tion traditional twin studies twins reared UNIVERSITY OF CALIFORNIA variables variance York