ANDEBSONJOHN A. “The prediction of terminal intelligence from infant and preschool tests.” (Part I, Chapter XIII, of this Yearbook)
2.
ATKINSONM. C. “A study of infants of feebleminded delinquent females.” Jour. Psycho-Asthenics, 32: 1926-1927, 110–128.
3.
BARBETTH. E., and KOCHH. L. “The effect of nursery-school training upon the mental-test performance of a group of orphanage children.” Ped. Sem. and Jour. Genet. Psychol., 37: 1930, 102–122.
4.
BURKSB. S. “The relative influence of nature and nurture upon mental development : a comparative study of foster parent-child resemblance and true parent-true child resemblance.” [In] the Twenty-Seventh Yearbook, Part I, of this Society, 1928, pp. 219–316.
5.
GoodenoughF. L. “A preliminary report upon the effect of nursery school training upon the intelligence test scores of young children.” [In] the Twenty-Seventh Yearbook, Part I, of this Society, 1928, pp. 261–369.
6.
GORDONH.Mental and Scholastic Tests among Retarded Children: An In- quiry into the Effects of Schooling on the Various Tests.(Board of Education: London, 1923, Educational Pamphlets No. 44) 92 pp.
7.
HILBRETHG. “The effect of school environment upon Stanford-Binet tests of young children.” [In] The Twenty-Seventh Yearbook, Part I, of this Society, 1928, pp. 355–359.
8.
KAWINE., and HOEFERC.A Comparative Study of a Nursery-School versus a Non-Nursery-School Group. (University of Chicago Press: Chicago, 1931) 52 pp.
9.
KEPHABTN. C. “Influencing the rate of mental growth in retarded children.” (Part II, Chapter XIII, of this Yearbook)
10.
KLINEBEBGO.Negro Intelligence and Selective Migration. (Columbia University Press: New York, 1935) 66 pp.
11.
LAWHENCEE. M. “An investigation into the relation between intelligence and inheritance.” Brit. Jour. Psychol., Monog. SuppL, 16, No. 5: 1931, 80 pp.
12.
LEAHYA. M. “A study of certain selective factors influencing prediction of the mental status of adopted children in nature-nurture research.” Ped. Sem. and Jour. Genet. Psychol, 41: 1932, 294–329.
13.
LEAHYA. M. “Nature-nurture and intelligence.” Genet. Psychol. Monog., 17: 1935,235–308.
14.
LITHAUERD. B., and KLINEBEBGO. “A study of the variation in IQ of a group of dependent children in institution and foster homes.” Ped. Sem. and Jour. Genet. Psychol, 42: 1933, 236–242.
15.
MCNEMABQ. “A critical examination of the University of Iowa studies of environmental influences upon the IQ.” (Accepted for publication in the Psychological Bulletin)
16.
MALLERJ. B. “Vital indices and their relation to psychological and social factors.” Human Biol, 5: 1933, 94–121.
17.
NATIONAL SOCIETY FOB THE STUDY OF EDUCATION, The Twenty-Seventh Year- book.Nature and Nurture. Pari I. Their Influence upon Intelligence. Part II. Their Influence upon Achievement, 1928; ix. 465; xv, 397 pp.
18.
PETERSONT. J. “A preliminary study of the effects of previous nursery- school attendance upon five-year-old children entering kindergartens.” Studies in Preschool Education. (University of Iowa: Iowa City, 1937) pp. 197–248. (University of Iowa Studies in Child Welfare, Vol. 13, No. 4.)
19.
REYMERTM. L., and HINTONR. T. “The effect of a change to a relatively superior environment on the IQ's of one hundred children.” (Part II, Chapter XVII, of this Yearbook)
20.
SEAGOEM.V. “The transient child.” Jour. Juvenile Res., 16: 1932, 251–257.
21.
SHERMANM., and HENRYT. R.Hollow Folk. (Thomas Y. Crowell and Co.: New York, 1933) 215 pp.
22.
SHEEMANM., and KeyC. B. “The intelligence of isolated mountain children.” Child Develop., 3: 1932, 279–290.
23.
SIMPSONB. R. “The wandering IQ : Is it time for it to settle down? “Jour. Psychol, 7: 1939, 351–367.
24.
SKEELSH. M. “Mental development of children in foster homes.” Fed. Sem. and Jour. Genet. Psychol, 49: 1936, 91–106.
25.
SKEELSH. M. “Mental development of children in foster homes.” Jour. Consulting Psychol, 2: 1938, 33–43.
26.
SKEELSH. M. “Some Iowa studies on the mental growth of children in relation to differentials in environment.” (Part II, Chapter XX, of this Yearbook)
27.
SKEELSH. M., and FILLMOREE. A. “Mental development of children from underprivileged homes.” Fed. Sem. and Jour. Genet. Psychol, 50: 1937, 427–439.
28.
SKEELSH. M., UPDEGBAFFR., WELLMANB. L., and WILLIAMSH. M.A Study of Environmental Stimulation: An Orphanage Preschool Project.(University of Iowa Studies in Child Welfare, 15: No. 4, 1938) 191 pp.
29.
SKODAKM. “The mental development of adopted children whose true mothers are feeble-minded.” Child Develop., 9: 1938, 303–308.
30.
SKODAKM.Children in Foster Homes: A Study of Mental Development, (University of Iowa Studies in Child Welfare, 16 : No. 1, 1939) 156 pp.
31.
SNYGGD. “The relation between the intelligence of mothers and of their children living in foster homes.” Ped. Sem. and Jour. Genet. Psychol, 52: 1938, 401–06.
32.
SPEEBG. “The mental development of children of feebleminded and normal mothers.” (Part II, Chapter XXI, of this Yearbook)
33.
STARKWEATHERE., and ROBERTSK. “IQ changes occurring during nursery- school attendance at the Merrill-Palmer School.” (Part II, Chapter XXII, of this Yearbook)
34.
STIPPICHM. L. “The mental development of children of feebleminded mothers.” (Part II, Chapter XXIII, of this Yearbook)
35.
STUTSMANR.Mental Measurement of Preschool Children. (World Book Co.: Yonkers, New York, 1931) 368 pp.
36.
TERMANL. M.The Intelligence of School Children. (Houghton Mifflin Co.: Boston, 1919) 317 pp.
37.
TERMANL. M., and MERRILLM. A.Measuring Intelligence: A Guide to the Administration of the New Revised Stanford-Binet Tests of Intelligence. (Houghton Mifflin Co.: Boston, 1937) 461 pp. (esp. pp. 44–45)
38.
THOMSONG. H. “A formula to correct for the effect of errors of measurement on the correlation of initial values with gains.” Jour. Exper. Psychol., 7: 1924,321–324.
39.
THORNDIKEE. L. “The influence of the chance imperfections of measures upon the relation of initial score to gain or loss.” Jour. Exper. Psychol., 7: 1924, 225–232.
40.
THORNDIKER. L. “Retest changes in the IQ in certain superior schools.” (Part II, Chapter XXIV, of this Yearbook)
41.
WELLMANB. L. “Some new bases for interpretation of the IQ.” Ped. Sem. and Jour. Genet. Psychol., 41: 1932,116–126.
42.
WELLMANB. L. “The effect of preschool attendance upon the IQ.” Jour. Exper. Educ., 1: 1932-1933, 48–69.
43.
WELLMANB. L. “Growth in intelligence under differing school environments.” Jour. Exper. Educ., 3: 1934-1935, 59–83.
44.
WELLMANB. L. “Mental growth from preschool to college.” Jour. Exper. Educ., 6: 1937-1938, 127–138.
45.
WELLMANB. L. [Abstract of] PetersonT. J.. “A preliminary study of the effects of previous nursery-school attendance upon five-year-old children entering kindergarten.” University of Iowa Studies in Child Welfare, 14, 197-248. Abstract No. 4436, Psychological Abstracts, 12: 1938, 492.
46.
WELLMANB. L. “Our changing concept of intelligence.” Jour. Consulting Psychol, 2: 1938,97–107.
47.
WELLMANB. L.The Intelligence of Preschool Children as Measured by the Merrill-Palmer Scale of Performance Tests.(University of Iowa Studies in Child Welfare, 15, No. 3: 1938) 150 pp.
48.
WELLMANB. L. “The IQ: A reply.” Jour. Psychol, 8: 1939, 143–155.
49.
WELLSJ., and ARTHURG. “Effect of foster-home placement on the intelligence ratings of children of feebleminded parents.” Mental Hygiene, 23 : 1939, 277–285.
50.
WOQLLEYH. T. “The validity of standards of mental measurement in young childhood.” School and Soc, 21: 1925, 476–482.
51.
YULEG. U., and KENDALLM. G.Introduction to the Theory of Statistics. (Charles Griffin: London, 1937) 570 pp. (esp. p. 70)