Single-Item Reliability : A Replication and Extension  

Oleh:

Hudy, Michael J. ; Wanous, John P.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Organizational Research Methods vol. 4 no. 4 (2001), page 361-375.
Topik: reliability; statistical methods; statistical analysis; studies; colleges & universities; performance appraisal; reliability
Fulltext: 361[1].pdf (117.62KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: OO3.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The reliability of a single - item measure of student - rated college teaching effectiveness was estimated with two different methods and at two levels of analysis. The two methods are the correction for attenuation formula and factor analysis. The two levels of analysis are the group level (10,682 classes) and the individual level (323,262 students). Reliability estimates were higher using factor analysis (0,88) than the correction for attenuation formula (0,64) than individual - level data (0,70). Based on the assumptions and limitations of each method used, the authors conclude that a minimum estimate of 0,80 for single - item reliability estimate of 0,70 for individual - level data, as previously concluded by wanous, reichers and hudy, who estimated single - item reliability for measures of overall job satisfaction using individual - level data.

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