References
- Anderson , J. E. 1939 . The limitations of infant and preschool tests in the measurement of intelligence . J. of Psychol. , 8 : 351 – 379 .
- Bayley , N. Mental growth in young children . 39th Yrbk. Nat. Soc. Stud. Educ. pp. 11 – 48 . Pt. 2
- Bayley , N. Factors influencing the growth of intelligence in young children . 39th Yrbk. Nat. Soc. Stud. Educ. pp. 49 – 80 . Pt. 2
- Burks , B. S. Nature and nurture: Their influence upon achievement . 27th Yrbk. Nat. Soc. Stud. Educ. pp. 219 – 316 . Pt. 1
- Conrad , H. S. and Jones , H. E. A second study of familial resemblance in intelligenc: Environmental and genetic implications of parent-child and sibling correlations in the total sample . 39th Yrbk. Nat. Soc. Stud. Educ. pp. 97 – 141 . Pt. 2
- Dearborn , W. F. , Rothney , J. W. M. and Shuttleworth , F. K. 1938 . Data on the growth of public school children from the materials of the Harvard Growth Study . Monog. Soc. Res. Child Devel. , 3 ( No. 1 ) : 1 – 136 .
- Freeman , F. N. and Flory , C. D. 1937 . Growth in intellectual ability as measured by repeated tests . Monog. Soc. Res. Child Devel. , 2 ( No. 2 ) : 1 – 116 .
- Hirsch , N. D. M. 1930 . An experimental study upon three hundred school children over a six-year period . Genet. Psychol. Monog. , 7 : 487 – 549 .
- Honzik , M. P. 1938 . The constancy of mental test performance during the preschool period . J. Genet. Psychol. , 52 : 285 – 302 .
- Honzik , M. P. Age changes in the relationship between certain environmental variables and children's intelligence . 39th Yrbk. Nat. Soc. Stud. Educ. pp. 185 – 206 . Pt. 2
- Leahy , A. M. 1935 . Nature-nurture and intelligence . Genet. Psychol. Monog. , 17 : 236 – 308 .
- McNemar , Q. 1940 . A critical examination of the University of Iowa studies of environmental influences upon the IQ . Psychol. Bull. , 37 : 63 – 92 .
- Terman , L. M. and Merrill , M. A. 1937 . Measuring Intelligence , xiv – 461 . Boston : Houghton Mifflin .