Description Usage Format Source References
Holzinger and Swineford (1939) data is widely cited. This dataset includes only the 12 tests on the Grant-White School students used in Ferrara et al .
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A 145 by 12 matrix. The variables are centered to zero mean.
spatial (SPL)
Visual perception test, a nonlanguage multiple-choice test of spatial relations
Cubes test, spatial relations
Lozenges test, a visual imagery test in two or three dimensions
verbal (VBL)
Paragraph comprehension test, comprehension as measured by completion and multiple-choice questions
Sentence completion test, a multiple-choice test in which “correct” answers reflect good judgment on the part of the subject
Word meaning test, a multiple-choice vocabulary test
speed (SPD)
Addition test, speed of adding pairs of one-digit numbers
Counting groups of dots test, 4–7 dots, arranged in random patterns to be counted by subject
Straight and curved capitals test, a series of capital letters to be distinguished between those composed of straight lines only and those containing curved lines
mathematical (MTH)
Deduction test, logical deduction test using the symbols and the letters
Numerical puzzles test, a numerical deduction test, the object being to supply four numbers which will produce four given answers employing the operations of addition, multiplication, or division
Series completion test, from a series of five numbers, the subject is supposed to deduce the rule of procedure from one number to the next and thus supply the sixth number in the series
The complete set of data is included, for example in the R package MBESS.
Holzinger, K. J. and Swineford, F. A. (1939). A study in factor analysis: The stability of a bi-factor solution. Supplementary Education Monographs, 48. University of Chicago.
Ferrara, C., Martella, F., and Vichi, M. (2019). Probabilistic disjoint principal component analysis. Multivariate Behavioral Research, 54(1):47–61.
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