Curriculum-based measures of beginning writing: Technical features of the slope

Kristen L. McMaster, Xiaoqing Du, Seungsoo Yeo, Stanley L. Deno, David Parker, Troy Ellis

Research output: Contribution to journalArticlepeer-review

51 Scopus citations


This study examined technical features of slopes produced from curriculum-based measures (CBM) of beginning writing. Eighty-five first-graders completed weekly sentence copy, picture-word, and story prompts for 12 weeks. After 12 weeks, testing revealed alternate-form reliability and criterion validity of CBM scores generally similar to those found in previous research. Examinations of group- and individual-level slopes indicated 8 or 9 data points are needed to yield reliable and stable slopes. The picture-word task appeared most sensitive to growth in brief periods, yielding slopes that were significantly greater than 0 within 4 weeks. Research directions and recommendations for monitoring progress of beginning writers are discussed.

Original languageEnglish (US)
Pages (from-to)185-206
Number of pages22
JournalExceptional children
Issue number2
StatePublished - Jan 1 2011

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