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Peer reviewedDavis-Dorsey, Judy; And Others – Journal of Educational Psychology, 1991
The impact of personalizing mathematical word problems and rewording them for explicitness was tested with 68 second and 59 fifth graders. Second graders benefited from personalization and rewording in combination; fifth graders benefited from personalization, not rewording. Personalization makes problems more motivating and easier to represent…
Descriptors: Achievement Gains, Adaptive Testing, Age Differences, Comparative Testing
Download full textLeon, Marjorie Roth; Zawojewski, Judith S. – 1993
The understanding of children and adults regarding four component properties of the arithmetic mean was studied. The component properties were: (1) the mean is a data point between extreme values of a score distribution; (2) the sum of deviations about the mean equals zero; (3) when the mean is calculated, any value of zero must be taken into…
Descriptors: Age Differences, Child Development, College Students, Comparative Testing
