A Study of Speed Factors in Tests and Academic Grades  

Oleh:

Lord, Frederic M.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 21 no. 1 (Mar. 1956), page 31-50.
Topik: Data for the Present Study; Lawley’s Maximum Lil~elihood Method; Extraction of Factors; Experimentally Dependent Variables
Fulltext: Vol 21 No.1 Mar 1956 p.31-50.pdf (1.03MB)

Isi artikel

Speeded and unspeeded tests of vocabulary, spatial relations, and arithmetic reasoning were factorially analyzed, together with certain reference tests and academic grades. Lawley's maximum likelihood method was used, the computations being carried out on the Whirlwind electronic computer. Four different speed factors were isolated, together with a second-order general speed factor. Consistent small positive correlations between the academic grades and the speed factors were found.

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