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Little, Todd D.; Chang, Rong; Gorrall, Britt K.; Waggenspack, Luke; Fukuda, Eriko; Allen, Patricia J.; Noam, Gil G. – International Journal of Behavioral Development, 2020
We revisit the merits of the retrospective pretest-posttest (RPP) design for repeated-measures research. The underutilized RPP method asks respondents to rate survey items twice during the same posttest measurement occasion from two specific frames of reference: "now" and "then." Individuals first report their current attitudes…
Descriptors: Pretesting, Alternative Assessment, Program Evaluation, Evaluation Methods
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Carter, J. D.; Helliwell, D.; Henrich, Allison; Principe, M.; Sloughter, J. M. – PRIMUS, 2016
Finding ways to improve student success in calculus is a critically important step on the path to supporting students who are pursuing degrees in STEM fields. Far too many students fail calculus 1 and are pushed to drop their majors in technical fields. One way of addressing this issue is by following a program that was pioneered at University of…
Descriptors: Calculus, College Mathematics, Mathematics Instruction, College Students
Horst, Donald P.; Fagan, Barbara M. – 1976
Twelve common errors which can invalidate an otherwise sound evaluation are identified, and ways to avoid them are presented. The hazards are: (1) grade-equivalent scores; (2) inappropriate statistical adjustments with nonequivalent control groups; (3) administering norm-referenced tests at inappropriate times of the school year; (4) inappropriate…
Descriptors: Achievement Gains, Achievement Tests, Educational Testing, Elementary Secondary Education