The Prediction of Terminal Intelligence from Infant and Preschool Tests 1

Bayley N. “Mental growth during the first three years: A developmental study of sixty-one children by repeated tests.” Genet. Psychol. Monog., 14: 1933, 1–92.

Bayley N. , and Jones H. E. “Environmental correlates of mental and motor development: A cumulative study from infancy to six years.” Child Develop., 8: 1937, 329–341.

Dearborn W. F. , Rothney J. W. M. , and Shuttleworth F. K. Data on the Growth of Public-School Children from the Materials of the Harvard Growth Study. (Monographs, for Research in Child Development. Vol. III, No. 1: Washington, D. C., 1938) 136 pp.

Ezekiel Mordecai. Methods of Correlation Analysis. (John Wiley: New York, 1930) 427 pp.

Furfey P. H. , and Muehlenbein J. “The validity of infant intelligence tests.” Ped. Sem. and Jour. Genet. Psychol., 40: 1932, 219–223.

Guilford J. P. Psychometric Methods. (McGraw-Hill Book Co.: New York, 1936) 566 pp. (esp. pp. 361–366)

Honzik M. P. “The constancy of mental test performance during the pre-school period.” Ped. Sem. and Jour. Genet. Psychol., 52: 1938, 265–302.

Nelson V. L. , and Richards T. W. “Studies in mental development: I. Performance on Gesell items at six months and its predictive value for performance on mental tests at two and three years.” Ped. Sem. and Jour. Genet. Psychol., 52: 1938, 303–325.

Nelson V. L. , and Richards T. W. “Studies in mental development: III. Performance of twelve months’ old children on the Gesell schedule, and its predictive value for mental status at two and three years.” Ped. Sem. and Jour. Genet. Psychol., 54: 1939, 181–191.

Richards T. W. , and Nelson V. L. “Studies in mental development: II. Analysis of abilities tested at the age of six months by the Gesell schedule.” Ped. Sem. and Jour. Genet. Psychol., 52: 1938, 327–331.

Rust M. M. The Effect of Resistance on Intelligence Scores of Young Children. (Teachers College, Columbia University, Child Development Monographs, No. 6: New York, 1931) 80 pp.

Skeels H. M. “Mental development of children in foster homes.” Fed. Sem. and Jour. Genet. Psychol., 49: 1936, 91–106.

Skeels H. M. “Mental development of children in foster homes.” Jour. Consulting Psychol., 2, No. 2: 1938, 33–43.

Skeels H. M. , and Fillmore E. A. “Mental development of children from underprivileged homes.” Ped. Sem. and Jour. Genet. Psychol., 50: 1937, 427–439.

Skeels H. M. , Updegraff R. , Wellman B. L. , and Williams H. M. A Study in Environmental Stimulation: An Orphanage Preschool Project. (University of Iowa Studies in Child Welfare, Vol. 15, No. 4: Iowa City, 1938) 191 pp.

Skodak M. “The mental development of adopted children whose true mothers are feebleminded.” Child Develop., 9: 1938, 303–308.

Skodak M. Children in Foster Homes: A Study of Mental Development. (University of Iowa Studies in Child Welfare. Vol. 16, No. 1: Iowa City, 1939) 156 pp.

Thorndike Robert L. “The effect of the interval between test and retest on the constancy of the IQ.” Jour. Educ. Psychol., 24: 1933, 543–549.

Wellman B. L. “The effect of preschool attendance upon the IQ.” Jour. Exper. Educ., 1: 1932, 48–69.

Wellman B. L. “Some new bases for interpretation of the IQ.” Ped. Sem. and Jour. Genet. Psychol., 41: 1932, 116–126.

Wellman B. L. “Growth in intelligence under differing school environments.” Jour. Exper. Educ., 3: 1934, 59–83.

Wellman B. L. “Mental growth from preschool to college.” Jour. Exper. Educ., 6: 1937, 127–138.