Item Selection Methods for Increasing Test Homogeneity  

Oleh:

Webster, Harold

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 22 no. 4 (Dec. 1957), page 395-404.
Topik: Item Selection Conditions; Test Homogeneity; Independent of Test Length; Dependent on Test Length
Fulltext: Vol 22 No. 4 Dec 1957 p.395-404.pdf (439.19KB)

Isi artikel

A number of methods for increasing test homogeneity by item selection are discussed. Exact selection conditions which will maximize obtained homogeneity as measured by KR - 20 and KR - 21 are derived, and an application is given. Since they require only item count data, the selection conditions are economical to apply.

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