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Wilson, David; And Others – Journal of Social Psychology, 1990
Discusses the research debate over the question whether intelligence diminishes as a function of birth order. Presents a study of Zimbabwean children confirming the general downward trend of intelligence as a function of birth order. Addresses the influence of family size. (DB)
Descriptors: Analysis of Variance, Birth Order, Children, Family Size
Steig, Janet B.; Arnold, Marjorie R. – 1978
A study was conducted to test the validity of the Linguistic Features Hypothesis, which predicts that unmarked personal pronouns will be learned first by children, yielding the following order of acquisition: first person before second, followed by third; singular before plural; and subjective case before objective or genitive. A review of the…
Descriptors: Analysis of Variance, Case (Grammar), Child Language, Comprehension