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Lee, Hee-Sun; Liu, Ou Lydia; Price, C. Aaron; Kendall, Amber L. M. – Journal of Research in Science Teaching, 2011
The purpose of this study was to explore college students' recognition of temporal magnitudes associated with durations of scientific changes through construct validation of a 30-item instrument. We administered the instrument to 514 students from 10 higher education institutions in the United States. Among them, 419 students took the instrument…
Descriptors: College Students, Construct Validity, Validity, Psychometrics
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Warfield, Janet; Kloosterman, Peter – Teaching Children Mathematics, 2006
More than a decade has passed since Curriculum and Evaluation Standards for School Mathematics (NCTM 1989) and Professional Standards for Teaching Mathematics (NCTM 1991) were published, and the question of whether students' learning of mathematics has improved during that time has frequently been asked. Scores on the mathematics assessment of the…
Descriptors: Mathematics Achievement, National Competency Tests, Grade 4, Mathematics Instruction