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Autor/inEggen, Theodorus J.
TitelContributions to the theory and practice of computerized adaptive testing.
QuelleArnhem: Eggen, Citogroep (2004), 226 S.    Verfügbarkeit 
Zugl.: Twente, Univ., Diss., 2004.
BeigabenLiteraturangaben; Tabellen; grafische Darstellungen
Spracheenglisch
Dokumenttypgedruckt; Monographie
ISBN90-5834-056-2
SchlagwörterTestkonstruktion; Itemanalyse; Test; Testmethodik; Individualisierung; Computer; Auswahl; Hochschulschrift
AbstractIn computerized adaptive tests (CATs) the construction and administration of the test is computerized and individualized. For every test taker a different test is constructed by selecting items from an item bank tailored to the ability of the test taker as demonstrated by the responses given thus far. So, in principle, each test taker is administered a different test whose composition is optimized for the person. The main motive for computerized adaptive testing is efficient measurement. [...] The chapters in this thesis are a collection of papers which can be read independently of each other. [...] The first three chapters are devoted to item calibration. [...] In chapter 2, the loss of information in estimating item parameters with conditional maximum likelihood methods, using a general applicable theoretical framework, is treated. In the third chapter, the theory is generalized to incomplete testing designs, which are by necessity applied in case of larger item banks which are used for CATs. The conditions for correct item calibration in different incomplete testing designs using different item parameter estimation methods are the subject of the fourth chapter. [...] In chapter 5, the use of [...] algorithms based on the sequential probability ratio test for classification in three distinct categories is studied. In traditional CATs, item selection methods are based on a criterion which is closely related to statistical estimation. In chapter 6 an item selection method which is conceptually better related to statistical testing is presented and evaluated. One of the consequences of optimal item selection in CATs is that it can be expected that each individual will answer about half of the items correct. In the final chapter it is explored whether the selection procedures can be altered in favor of the practical wish to have, for certain groups of examinees, easier or more difficult tests. (DIPF/Orig.).
Erfasst vonDIPF | Leibniz-Institut für Bildungsforschung und Bildungsinformation, Frankfurt am Main
Update2006/2
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