A Factor Analysis of Intra-Task Performance on Two Psychomotor Tests  

Oleh:

Fleishman, Edwin A.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 18 no. 1 (Mar. 1953), page 45-55.
Topik: Intra-Task Performance; Psychomotor Tests
Fulltext: Vol 18 No.1 March 1953 p.45-55.pdf (631.56KB)

Isi artikel

There are indications that even during the short time of administration of a single psychomotor test, the ability or abilities sampled may shift materially in importance. It then becomes important to know the stages in which these fluctuations occur, the stage at which the test is most complex, and the stage at which the test most nearly measures one ability at a time. This paper describes an application of factorial methods to this problem. Factor analysis of inter-trial correlations on two models of the Rudder Control Test revealed three factors, “Steadiness-Control,” “Precision of Movement,” and “Strength.” The same factor pattern was confirmed in a separate factor analysis on another sample in which the order of administration of the tests was reversed. Implications are pointed out for future psychomotor test development.

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