The Effects of Errors in Estimating Ability on Goodness - of - Fit Tests for IRT Models  

Oleh:

Stone, Clement A. ; Hansen, Mary A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 60 no. 6 (2000), page 974-991.
Topik: goodness-of-fit; models; statistical methods; monte carlo simulation; psychology
Fulltext: 974.pdf (117.76KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE30.6 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Assessing goodness of fit of item response theory models typically involves evaluating differences between observed and expected score response distributions using a chi - square test statistic. When these methods are applied to assessments that are shorter in length, uncertainty with which ability is estimated greatly affects the approximation to the null chi - square distribution.

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