Equating For Long-Term Scale Maintenance Of Mixed Format Tests Containing Multiple Choice And Constructed Response Items  

Oleh:

Tate, Richard L.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 63 no. 6 (2003), page 893-914.
Topik: SCALES; long - term equating; scale maintenance; mixed format tests; rating standard changes
Fulltext: 893.pdf (152.28KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: EE30.10 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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An item response theory - based equating method is proposed for the long - term scale maintenance of a mixed format test consisiting of constructed response items and multiple choice items. The proposed method is a modification of the traditional common item non equivalent groups design. Rather than collecting adequatesd item parameters from previous years and the rerating of those responses in a linking study conducted for the current equating. The resulting design controls for any year - to - year changes in the standards of the rating team, isolating the effect of any change in the examine ability distribution in the computation of the equating transformation. Simulated data were used to illustrae the proposed method and demonstrate the possible consequences of an inappropriate use of traditional equating. The strengths and weaknesses of the proposed method relative to traditional common - item non equivalent groups equating with either mixed format items or with only multiple choice items are discussed.

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