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 51
... MZ twins reared together ( r = .87 ) and reared apart ( r = .75 ) . If 1.00 75.25 ( from MZ twins reared apart ) estimates the total environmental variance , then 1.00.87 = .13 ( from MZ twins reared together ) is an estimate of the ...
... MZ twins reared together ( r = .87 ) and reared apart ( r = .75 ) . If 1.00 75.25 ( from MZ twins reared apart ) estimates the total environmental variance , then 1.00.87 = .13 ( from MZ twins reared together ) is an estimate of the ...
Page 573
... MZ and DZ twin pairs ( 4 IQ points in this case ) can be accounted for equally well by environ- mental factors . To reiterate , mean differences between twin pairs of 4 IQ points can be accounted for by the fact that MZ twins share a ...
... MZ and DZ twin pairs ( 4 IQ points in this case ) can be accounted for equally well by environ- mental factors . To reiterate , mean differences between twin pairs of 4 IQ points can be accounted for by the fact that MZ twins share a ...
Page 575
... MZ twins placed for adoption through a professional agency are placed in selective and rela- tively homogeneous home environments as compared to the diversity that would result from random placement . Thus , the interpair MZ differences ...
... MZ twins placed for adoption through a professional agency are placed in selective and rela- tively homogeneous home environments as compared to the diversity that would result from random placement . Thus , the interpair MZ differences ...
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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 Dasein 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 variance York