Meanings and implications of the principle of local independence  

Oleh:

Henning, Grant

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Language Testing (Full Text & ada di PROQUEST dari th 1998 - terbaru) vol. 6 no. 1 (Jun. 1989), page 1-15.
Fulltext: 95.pdf (825.2KB)

Isi artikel

This paper reviews a variety of definitions of local (conditional) independence presented in the testing literature. An attempt is made to clarify and differentiate among conflicting conceptualizations of this fundamental measurement principle. In particular, it is argued that local independence, unidimensionality, and noninvasiveness are important but distinct concepts that may, but need not necessarily, overlap. Methods of testing for the presence of local independence in several of its conceptualizations are also presented.

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