Investigations of the Simplex  

Oleh:

Humphreys, Lloyd G.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 25 no. 4 (Dec. 1960), page 313-323.
Topik: Prediclion in Meteorology and in Psychology; Statistical Basis For Change; Examples of the Simplex Pattern; Reliability Estimation for Variables in a Simplex; Factor Descriptions of the Simplex Form
Fulltext: 2504_1003.pdf (537.05KB)

Isi artikel

1. Correlational matrices having the simplex form should be found very commonly in maturation and learning data. Several diverse examples have been presented. 2. The finding of such a matrix imposes a problem in prediction that is currently unsolved. It is possible that prediction of remote performance can utilize information concerning the conditions under which growth or learning will take place. 3. Reliability estimates are of critical importance in the analysis of simplex matrices, but are frequently difficult to obtain. If one is sufficiently confident that the variables do form a simplex, a reliability estimate can be obtained from the intercorrelations of the variables.

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