Note on The Relationship Between Internal Consistency and Test-Retest Estimates of The Reliability of a Test  

Oleh:

Jackson, Robert W. B.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 7 no. 3 (Sep. 1942), page 157-164.
Topik: Internal Consistency; Test-Retest Estimates
Fulltext: Note on The Relationship Between Internal Consistency and Test-Retest Estimates of The Reliability of a Test.pdf (365.28KB)

Isi artikel

A comparison of the “test-retest” and “internal consistency” estimates of reliability coefficients is given, and it is shown that the two methods give different results. Application of the analysis of variance and covariance method reveals that there is not just one but a number of reliability coefficients involved, and that an estimate of each of these may be obtained. The analysis shows that in using the test-retest method the error or remainder effects are not independent on the two trials, possibly because the individuals remember the items and their responses to them on the previous trial.

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