On the Economies of a Pre-Screening Technique for Aptitude Test Batteries  

Oleh:

Arbous, A. G. ; Sichel, H. S.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 17 no. 3 (Sep. 1952), page 331-346.
Topik: Objectives of Pre-Screening; Test Batteries
Fulltext: VOL. 17, No. 3 Sept 1952 p.331-346.pdf (540.83KB)

Isi artikel

Test battery selection is justified on the grounds that it is more efficient than the conventional methods. More precise definitions of efficiency have shown that the additional cost of test administration can often outweigh the gains of selecting a more competent group of persons. Final evaluation of the profit and loss account can be made only when no further economies can be effected in the selection procedures themselves. A psychometric pre-screening technique which will reduce this cost considerably is developed here. Its psychometric structure is mathematically defined, and its advantages illustrated in terms of testing economy (E) and losses (L) of good material for different selection ratios (S. R.). It is shown that, under many circumstances, the testing economy can be considerable, and that in all practical cases “Losses” will be = 1.5% for all values of ? = .8 (between the pre-screening test and the final battery). The technique in practice is illustrated from a set of data.

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