Abstract
The purpose of this study was to examine the effects of goal line feedback within Curriculum-Based Measurement (CBM) in math. Twenty special educators implemented CBM for 20 weeks with two chronically low-achieving pupils in math, who had been identified as learning disabled. One student was assigned randomly to a feedback condition without goal lines superimposed on graphs; the other student, to a feedback condition including goal lines on graphs. Analyses of variance indicated that the level and slope of student performance was comparable across treatment conditions. Goal line feedback was, however, associated with reliably and dramatically greater performance stability. Implications are discussed in terms of facilitating measurement accuracy and understanding how effects of goals are mediated among students with learning disabilities.
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