Reliability Generalization : Exploring Variance In Measurement Error Affecting Score Reliability Across Studies  

Oleh:

Vacha-Haase, Tammi

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 58 no. 1 (1998), page 6-20.
Topik: MEASUREMENTS; tests; reliaility; validity
Fulltext: 5.pdf (47.78KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: EE30.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Because tests are not reliable, it is important to explore score reliability in virtually all studies. The present article proposes and illustrates a new method - reliability generalization - that can be used in a meta analysis application similar to validity generalization. Reliability generalization characterizes : a. the typical reliability of scores for a given test across studies b. the amount of variability in reliability coefficients for given measures, and c. the sources of variability in reliability coefficients across studies. The use of reliability generalization is ilustrated here by analyzing 87 reliability coefficients reported for the two scales of the bem sex role inventory (BSRI).

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