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- Fresno State author is exactly "John Walkup"
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Catastrophic cancellation in elastic collision lab experiments
Error analysis consumes much of the focus in introductory physics labs. Catastrophic cancellation is a spike in error that occurs when subtracting two measurements of roughly equal magnitude. Often termed loss of significance or subtractive…
The Art and Science of Lesson Design: Practical Approaches to Boosting Cognitive Rigor in the Classroom
The Cognitive Rigor Matrix superposes two of the most common tools used in K-12 education: Bloom’s Revised Taxonomy and Depth of Knowledge. This matrix has been adopted by numerous state departments of education and national organizations to evaluate…