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Date of Birth and Its Effect upon Performance in School over Subsequent Years.
Olson, George H. – 1989
The effects of age at entrance into school on subsequent elementary school performance were studied in a cohort of children who started grade 1 in the Dallas school system (Texas) in fall 1981. Most of the subjects were born on or after September 1, 1974 and before September 1, 1975; the spread of ages was 1 year. A total of 3,028 male and 3,019…
Descriptors: Academic Achievement, Age Differences, Age Grade Placement, Elementary Education