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Gettinger, Maribeth – American Educational Research Journal, 1984
The causal effects of time spent in learning (TSL) and time needed for learning (TTL) on the reading and spelling achievement of 171 fourth and fifth grade students were investigated. TTL contributed significantly to achievement, and its direct effect was greater than TSL. Results also support a Carroll's learning model. (Author/BS)
Descriptors: Academic Achievement, Achievement Tests, Criterion Referenced Tests, Intermediate Grades