BayleyN.Mental growth during the first three years: A developmental study of sixty-one children by repeated tests.” Genet. Psychol. Monog., 14: 1933, 1–92.
2.
BayleyN., and JonesH. E. “Environmental correlates of mental and motor development: A cumulative study from infancy to six years. Child Develop., 81937, 329–341.
3.
GoodenoughF. L. “The relationship of intelligence of preschool children to the education of their parents.” School and Soc., 26: 1927, 54–56.
4.
HonzikM. P.The constancy of mental-test performance during the pre-school period. Fed. Sem. and, Jour. Genet. Psychol., 52: 1938, 285–302.
5.
JaffaA. S.The California Preschool Mental Scale: Form A. (University of California Syllabus, No. 251: Berkeley, 1934) 66 pp.
6.
JonesH. E. “A first study of parent-child resemblances in intelligence. [In] The Twenty-Seventh Yearbook, Part I, of this Society, 1928, pp. 61–72.
7.
MacfarlaneJ. W.Studies in Child Guidance: I. Methodology of Data Collection and Organization. (Monographs, Society for Research in Child Development, Vol. 3, No. 6: Washington, D. C., 1938) 254 pp.
8.
NeffW. S.Socio-economic status and intelligence: A critical survey. Psychol. Hull., 35: 1938, 727–757.
9.
WelchF. M. “The Berkeley survey: A study of the socio-economic status of four hundred Berkeley families in the years 1928–1929. (Unpublished Manuscript at the Institute of Child Welfare, University of California, Berkeley, California.)