Curriculum-Based Measurement (CBM) is a direct method of academic assessment used to screen and evaluate students' skills and monitor their responses to academic instruction and intervention. Interventioncentral.org offers a math worksheet generator at no cost that creates randomly generated math curriculum-based measures (M-CBMs). In this study, we examined the test-retest reliability and alternate-form reliability of four parallel, randomly generated M-CBMs designed to assess multiple arithmetic skills (addition, subtraction, multiplication, and division). The participants (N = 283 sixth-grade students) completed each M-CBM worksheet twice during a semester. According to our results, these M-CBMs have moderate test-retest and alternate-form reliability. Applying the Spearman-Brown Prophecy Formula revealed that aggregating M-CBMs increases the reliability of these measures to acceptable levels for progress monitoring (i.e., above .80).
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Western Washington Univ, Special Educ, Bellingham, WA 98225 USAWestern Washington Univ, Special Educ, Bellingham, WA 98225 USA
Kelley, Bridget
Hosp, John L.
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Florida State Univ, Special Educ, Tallahassee, FL 32306 USA
Florida Ctr Reading Res, Tallahassee, FL USAWestern Washington Univ, Special Educ, Bellingham, WA 98225 USA
Hosp, John L.
Howell, Kenneth W.
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Western Washington Univ, Special Educ, Bellingham, WA 98225 USAWestern Washington Univ, Special Educ, Bellingham, WA 98225 USA
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Lehigh Univ, Ctr Promoting Res Practice, Coll Educ, Bethlehem, PA 18015 USALehigh Univ, Ctr Promoting Res Practice, Coll Educ, Bethlehem, PA 18015 USA
Shapiro, Edward S.
Dennis, Minyi Shih
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Lehigh Univ, Ctr Promoting Res Practice, Coll Educ, Bethlehem, PA 18015 USALehigh Univ, Ctr Promoting Res Practice, Coll Educ, Bethlehem, PA 18015 USA
Dennis, Minyi Shih
Fu, Qiong
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Lehigh Univ, Ctr Promoting Res Practice, Coll Educ, Bethlehem, PA 18015 USALehigh Univ, Ctr Promoting Res Practice, Coll Educ, Bethlehem, PA 18015 USA