The Validity of the Successive Intervals Method of Psychometric Scaling  

Oleh:

Rozeboom, William W. ; Jones, Lyle V.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 21 no. 2 (Jun. 1956), page 165-183.
Topik: Successive Intervals; Method of Psychometric Scaling
Fulltext: Vol 21 no.2 June 1956 p.165-183.pdf (1,017.76KB)

Isi artikel

The degree to which scale values computed by the method of successive intervals diverge from theoretically “true” values is seen to be due to three types of error: error due to inequalities in variances of the distributions from which the scale values are computed, error due to non-normality of the distributions, and sampling error. The contribution of each type of error to the total error is evaluated; the latter is seen to be surprisingly small under appropriate conditions. Certain aspects of the formal methodology underlying scaling procedures are also briefly considered.

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