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william d hedges
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At what age should children enter first grade
William D. Hedges · Published for Florida Educational Research and Development Council by University Microfilms International
194 sayfa · 1977
First grade (Education) / School age (Entrance age)
Individualized instruction
William D. Hedges · American Education Foundation Division of the American Nepal Education Foundation
52 sayfa · 1979
Individualized instruction
The field testing of a one-year course of study using programed science materials at the fourth grade level
William D. Hedges · Division of Educational Research, University of Virginia
54 sayfa · 1964
Programmed instruction / Research / Science
Evaluation in the elementary school
William D. Hedges · Holt, Rinehart and Winston
220 sayfa · 1969
Elementary schools / Examinations / Grading and marking (Students)
A comparison of three methods of teaching elementary school science involving programmed learning
William D. Hedges · University of Virginia
124 sayfa · 1965
Programmed instruction / Science / Study and teaching (Elementary)