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Cancino, Eduardo – ProQuest LLC, 2009
The purpose of this quantitative study was to examine the use of a method of distractor analysis for diagnosing item error response patterns and determine the effect of this intervention on student achievement levels on state administered spring mathematics assessments. Distractor Pattern Functioning was the treatment provided to teachers in this…
Descriptors: Educational Strategies, Intervention, Academic Achievement, Instructional Effectiveness
Yen, Shu Jing; Ochieng, Charles; Michaels, Hillary; Friedman, Greg – Online Submission, 2005
The main purpose of this study was to illustrate a polytomous IRT-based linking procedure that adjusts for rater variations. Test scores from two administrations of a statewide reading assessment were used. An anchor set of Year 1 students' constructed responses were rescored by Year 2 raters. To adjust for year-to-year rater variation in IRT…
Descriptors: Test Items, Measures (Individuals), Grade 8, Item Response Theory