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BarrettH. 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.
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BayleyN., and JonesH. E. “Environmental correlates of mental and motor development: a cumulative study from infancy to six years.” Child Develop., 8: 1937, 329–341.
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16.
DubnoffB. “A comparative study of mental development in infancy.” Ped. Sem. and Jour. Genet. Psychol., 53: 1938, 67–73.
17.
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18.
FrandsenA., and BarlowF. P. “Influence of the nursery school on mental growth.” (Part II, Chapter VII, of this Yearbook)
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FurfeyP. H. “The relation between socio-economic status and intelligence of young infants as measured by the Linfert-Hierholzer scale.” Ped. Sem. and Jour. Genet. Psychol., 35: 1928, 478–480.
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22.
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24.
GoodenoughF. L., and MaurerK. M. “The mental development of nursery-school children compared with that of children without nursery-school training.” (Part II, Chapter IX, of this Yearbook)
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HildenA. H. “A comparative study of the intelligence quotient and Heinis’ personal constant.” Jour. Applied Psychol., 17: 1933, 355–375.
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HildrethG. “Occupational status and intelligence.” Personnel Jour., 13: 1934, 153–157.
27.
HildrethG. “Adopted children in a private school.” (Part II, Chapter X, of this Yearbook)
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HirschN. D. M. “An experimental study of east Kentucky mountaineers: a study in heredity and environment.” Genet. Psychol. Monog., 3: 1928, 189–244.
29.
HolzingerK. J. “Reply to special review of ‘Twins.”’Psychol Bull., 351938, 436–444.
30.
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32.
JonesH. E., and JorgensonA. P. “Mental growth as related to nursery-school attendance.” (Part II, Chapter XII, of this Yearbook)
33.
JordanA. M. “Parental occupations and children's intelligence scores.” Jour. Applied Psychol., 17: 1933, 103–119.
34.
KawinE.Children of Preschool Age: Studies in Socio-Economic Status, Social Adjustment, and Mental Ability, with Illustrative Cases. (University of Chicago Press: Chicago, 1934) 340 pp.
35.
KawinE., and HoeferC.A Comparative Study of a Nursery-School versus a Non-Nursery-School Group. (University of Chicago Press: Chicago, 1931) 52 pp.
36.
KephartN. C. “Possibilities for influencing the rate of mental growth in retarded children through environmental stimulation.” (Part II, Chapter XIII, of this Yearbook)
37.
KlinebergO.Negro Intelligence and Selective Migration. (Columbia University Press: New York, 1935) 66 pp.
38.
KouninJ.The Effect of Preschool Attendance upon Later School Achievement. (State University of Iowa, Unpublished Master's Thesis: Iowa City, 1939) 92 ms. pp.
39.
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40.
LamsonE. E. “To what extent are intelligence quotients increased by children who participate in a rich, vital school curriculum?” Jour. Educ. Psychol., 29: 1938, 67–70.
41.
LamsonE. E. “A follow-up study of a group of nursery-school children.” (Part II, Chapter XIV, of this Yearbook)
42.
LawrenceE. M. “An investigation into the relation between intelligence and inheritance.” Brit. Jour. Psychol. Monog. Suppl., 16, No. 5: 1931, 80 pp.
43.
LeahyA. M. “Nature-nurture and intelligence.” Genet. Psychol. Monog., 17: 1935, 235–303.
44.
LichtensteinM., and BrownA. W. “Intelligence and achievement of children in a delinquency area.” Jour. Juv. Research, 22: 1938, 1–25.
45.
LithauerD. B., and KlinebergO. “A study of the variation in IQ of a group of dependent children in institution and foster home.” Ped. Sem. and Jour. Genet. Psychol., 42: 1933, 236–242.
46.
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McAlpinA. S. “Changes in the intelligence quotients of Negro children.” Jour. Negro Educ., 1: 1932, 44–48.
48.
McNemarQ. “Special review of Newman, Freeman, and Holzinger's twins: a study of heredity and environment.” Psychol. Bull., 35: 1938, 237–249.
49.
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McCandlessB. R.The Effect of Enriched Educational Experiences upon the Growth of Intelligence of Very Superior Preschool Children. (State University of Iowa, Unpublished Master's Thesis: Iowa City, 1938) 127 ms. pp.
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52.
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53.
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54.
OlsonW. C., and HughesB. O. “Subsequent growth of children with and without nursery-school experience.” (Part II, Chapter XV, of this Yearbook)
55.
OtisM. “Improvement of feebleminded girls over 16 years of age.” Jour. Applied Psychol., 13: 1929, 301–315.
56.
PatersonD. G., and RundquistE. A. “The occupational background of feeblemindedness.” Amer. Jour. Psychol., 45: 1933, 118–124.
57.
PoullL. E. “The effect of improvement in nutrition on the mental capacity of young children.” Child Develop., 9: 1938, 123–126.
58.
PritchardM. C., HoranK. M., and HollingworthL. S. “The course of mental development in slow learners under an ‘experience curriculum.”’ (Part II, Chapter XVI, of this Yearbook)
59.
ProutyR. A. “Psychological classification versus clinical diagnosis.” Psychol. Clin., 18: 1929–1930, 213–220.
60.
ReymertM. L., and HintonR. T. “The effect of a change to a relatively superior environment upon the IQ's of one hundred children.” (Part II, Chapter XVII, of this Yearbook)
61.
RisdenG. A.An Exploratory Study in Education for Slowly Developing Children. (Ohio State University Abstracts of Doctor's Dissertations, No. 24: Columbus, Ohio, 1937) pp. 279–293.
62.
RobertsonJ.A Study of the IQ Changes of Children of 120 IQ and above on Entering School. (State University of Iowa, Unpublished Master's Thesis: Iowa City, 1936) 105 ms. pp.
63.
RuskR. R. “The basic intelligence of Scottish children.” (Part II, Chapter XVIII, of this Yearbook)
64.
SchottE. L. “IQ changes in foster-home children.” Jour. Applied Psychol., 21: 1937, 107–112.
65.
ShermanM., and KeyC. B. “The intelligence of isolated mountain children.” Child Develop., 3: 1932, 279–290.
66.
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67.
SkeelsH. M. “Some Iowa studies on the mental growth of children in relation to differentials in environment: A summary.” (Part II, Chapter XX, of this Yearbook)
68.
SkeelsH. M., and FillmoreE. A. “Mental development of children from underprivileged homes.” Ped. Sem. and Jour. Genet. Psychol., 50: 1937, 427–439.
69.
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SkodakM. “The mental development of adopted children whose true mothers are feebleminded.” Child Develop., 9: 1938, 303–308.
71.
SkodakM.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.
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SnyggD. “The relation between the intelligence of mothers and of their children living in foster homes.” Ped. Sem. and Jour. Genet. Psychol., 52: 1938, 401–406.
73.
SpierG. S. “The mental development of children of feebleminded and normal mothers.” (Part II, Chapter XXI, of this Yearbook)
74.
StarkweatherE. K.IQ Changes over a Long Interval in Relation to Sex and Group Mental Level. (State University of Iowa, Unpublished Master's Thesis: Iowa City, 1938) 79 ms. pp.
75.
StarkweatherE. K., and RobertsK. E. “IQ changes occurring during nursery-school attendance at the Merrill-Palmer School.” (Part II, Chapter XXII, of this Yearbook)
76.
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ThorndikeR. L. “Note on ‘IQ changes in foster-home children’ by Emmett L. Schott.” Jour. Applied Psychol., 22: 1938, 662.
78.
ThorndikeR. L. “Retest changes in the IQ in certain superior schools.” (Part II, Chapter XXIV, of this Yearbook)
79.
TrainorJ. C. “Experimental results of training in general semantics upon intelligence-test scores.” [In] Papers from the First American Congress for General Semantics, held at Ellensburg, Washington, March 1 and 2, 1935, 58–67.
80.
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82.
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VoasW. A. “Does attendance at the Winnetka Nursery School tend to raise the IQ?” (Part II, Chapter XXV, of this Yearbook)
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WaringE. B. “A report of the psychological examinations of preschool children in the nursery school over a period of eight years.” [In] “Ten-Year Report of Studies in Child Development and Parent Education,” Cornell Univ. Agric. Experiment Station, Cont. from Stud. in Home Econ. Bull., No.638: 1935, 42–43.
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90.
WellmanB. L. “Iowa studies on the effects of schooling.” (Part II, Chapter XXVI, of this Yearbook)
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WellsJ., and ArthurG. “Effect of foster-home placement on the intelligence ratings of children of feebleminded parents.” Mental Hygiene, 23: 1939, 277–285.
92.
WheelerL. R. “A study of the mental growth of dull children.” Jour. Educ. Psychol., 21: 1930, 367–378.
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