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Download full textBay, Luz; Loomis, Susan Cooper; Wang, Tianyou – 1995
This study examines the effects on the National Assessment of Educational Progress (NAEP) achievement levels of using item response theory (IRT) models that have nominal missing-response parameters. It compares cutpoints based on item parameters that were fitted using two different models. The first set of cutpoints were based on parameters for…
Descriptors: Academic Achievement, Comparative Analysis, Cutting Scores, High School Seniors
Bay, Luz; Nering, Michael L. – 1998
The use of person-fit methods to determine the extent to which a panelist's ratings fit the item response theory (IRT) models used in the National Assessment of Educational Progress (NAEP) is demonstrated. Person-fit methods are statistical methods that allow the identification of nonfitting response vectors. To determine whether panelists'…
Descriptors: Academic Achievement, Geography, Goodness of Fit, High School Seniors
Hanson, Bradley A.; Bay, Luz; Loomis, Susan Cooper – 1998
Research studies using booklet classification were implemented by the American College Testing Program to investigate the linkage between the National Assessment of Educational Progress (NAEP) Achievement Levels Descriptions and the cutpoints set to represent student performance with respect to the achievement levels. This paper describes the…
Descriptors: Academic Achievement, Classification, Cutting Scores, Discriminant Analysis
Bay, Luz – 1998
A study was conducted to investigate the difference in student performance on multiple choice (MC) and constructed response (CR) items relative to the achievement levels of the National Assessment of Educational Progress (NAEP). The study included an investigation of how estimates of student performance were affected by item response theory (IRT)…
Descriptors: Academic Achievement, Comparative Analysis, Constructed Response, Cutting Scores
