Volume 39, Issue 3 (2010)
Curriculum-Based Measurement of Oral Reading: An Evaluation of Growth Rates and Seasonal Effects Among Students Served in General and Special Education
Theodore J. Christ, Benjamin Silberglitt, Seungsoo Yeo, and Damien Cormier
Abstract. Curriculum-based measurement of oral reading (CBM-R) is often used to benchmark growth in the fall, winter, and spring. CBM-R is also used to set goals and monitor student progress between benchmarking occasions. The results of previous research establish an expectation that weekly growth on CBM-R tasks is consistently linear throughout the academic year. The patterns of CBM-R growth were examined for a large sample of students (N _ 3808) from both general education and special education populations in second to sixth grades. Results support four general conclusions: (a) annual growth is more substantial within the general education population; (b) growth is more substantial in earlier elementary grades; (c) more growth occurs in the fall than the spring season (i.e., seasonal effect), especially within the early primary general education population; and (d) the seasonal effect is less pronounced within the special education population. Estimates of growth within and across seasons are presented and implications are discussed.
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