Regression surface analysis was used to examine relationships between birth order and the cognitive performance of 11-yr.-old Canadian boys. A detailed assessment of the family environment was included. At each level of family environment birth order has little or no relation with mental ability scores but, if families create differential learning environments for their children, then the regression surfaces indicate that a child's position in a family is related to cognitive performance.
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References
1.
AmmonsC. H.AmmonsR. B.HOW to prevent genius: McCurdy revisited. Proceedings of the Montana Academy of Sciences, 1962, 21, 145–152. (a)
2.
AmmonsR. B.AmmonsC. H.HOW to foster genius: McCurdy extended. Proceedings of the Montana Academy of Sciences, 1962, 21, 138–144. (b)
3.
BurtonO.Birth order and intelligence. Journal of Social Psychology, 1968, 76, 199–206.
4.
ClausenJ. A.Family structure, socialization and personality. In HoffmanL. W.HoffmanM. L. (Eds.), Review of child development research. New York: Russell Sage Found., 1966. Pp. 1–53.
5.
DaveR. H.The identification and measurement of environmental process variables that are related to educational achievement. Unpublished doctoral dissertation, Univer. of Chicago, 1963.
6.
EysenckH. J.CooksonD.Personality in primary schoolchildren: 3-family background. British Journal of Educational Psychology, 1969, 40, 117–131.
MarjoribanksK.Environment, social class and mental abilities. Journal of Educational Psychology, 1972, 63, 103–109.
9.
MarjoribanksK.WalbergH. J.Family environment: sibling constellation and social class correlates. Journal of Biosocial Science, 1975, 7, 15–25.
10.
MurrayC.The effects of ordinal position on measured intelligence and peer acceptance in adolescence. British Journal of Social and Clinical Psychology, 1971, 10, 221–227.
11.
MurrayH. A.Explorations in personality. Oxford: Univer. Press, 1938.
12.
PlowdenB.Children and their primary schools. London: H. M. Stationery Office, 1967.
13.
RecordR. G.McKeownT.EdwardsJ. H.The relation of measured intelligence to birth order and maternal age. Annals of Human Genetics (London), 1969, 33, 61–69.
14.
SchoolerC.Birth order effects: not here, not now!Psychological Bulletin, 1972, 78, 161–175.
15.
SkovholtT.MooreF.WellmanF.Birth order and academic behavior in first grade. Psychological Reports, 1973, 32, 395–398.
16.
VernonP. E.Intelligence and cultural environment. London: Methuen, 1969.
17.
WarrenJ. R.Birth order and social behavior. Psychological Bulletin, 1966, 65, 38–59.
