The Intelligence of Twins. A Comparative Study of Eleven-year-old Twins

[1] FISHER RA, STAT METHODS RES WOR, pCH7

[2] HERMAN L, 1933, P ROY SOC EDINB, P105

[3] The relative effect of nature and nurture influences on twin differences [J]. JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1929, 20 : 241 - 248

[4] Lauterbach CE, 1925, GENETICS, V10, P525

[5] MERRIMAN C, 1924, PSYCHOL MONOGRAPHS, V33

[6] *SCOTT COUNC RES E, 1949, PUBL SCOTT COUNC RES, V30

[7] Twins and orphans [J]. JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1928, 19 : 410 - 423

[8] TREND SCOTTISH INTEL, P80

[1] FISHER RA, STAT METHODS RES WOR, pCH7

[2] HERMAN L, 1933, P ROY SOC EDINB, P105

[3] The relative effect of nature and nurture influences on twin differences [J]. JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1929, 20 : 241 - 248

[4] Lauterbach CE, 1925, GENETICS, V10, P525

[5] MERRIMAN C, 1924, PSYCHOL MONOGRAPHS, V33

[6] *SCOTT COUNC RES E, 1949, PUBL SCOTT COUNC RES, V30

[7] Twins and orphans [J]. JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1928, 19 : 410 - 423

[8] TREND SCOTTISH INTEL, P80