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Download full textHolliday, William G.; Partridge, Louise A. – 1975
The purpose of this study was to evaluate a practical procedure for determining the optimum sequencing of pictorial classification tasks in science using mean difficulty indices generated by a standard sample of grade two students. Acquisition of such skills can affect the learner's performance on subsequent material and the teacher's efforts in…
Descriptors: Educational Research, Elementary Education, Elementary School Science, Instruction
PDF pending restorationAinsworth, James S. – 1979
Navy and Coast Guard enlisted men were the subjects of a study to determine the effectiveness of various instructional materials and methods in symbol learning. A repeated measures design was used to determine the differential effects of aptitude, type of instructional material, and amount of study time on acquisition of the International Morse…
Descriptors: Computer Oriented Programs, Educational Research, Evaluation, Instructional Materials
