A Factorial Study of Number Ability  

Oleh:

Coombs, Clyde H.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 6 no. 3 (Jun. 1941), page 161-189.
Topik: Factorial Study; Number Ability
Fulltext: A Factorial Study of Number Ability.pdf (1.19MB)

Isi artikel

In order to investigate certain hypotheses concerning the nature of number ability, and, secondarily, the nature of perceptual speed, a battery of thirty-four tests was given to 223 Chicago high school seniors and the data were factored by the centroid method. Seven primary factors were identifiable upon rotation. Several deductions are made relative to the interpretation of the factors and relative to the consistency of the data with the hypotheses which were to be tested.

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