De betrouwbaarheid van controleurs

Mr W. H. Somermeijer

Statistica Neerlandica, 1946, vol. 1, issue 4‐5, 231-235

Abstract: Summary (The reliability of 100% inspection). The article of Mr, Enters on The reliability of 100% inspection in the first issue of Statistica is critizised. The criterion of goodness of control as the sum of the coefficients of correlation between the measurements of the individual inspectors and each of their colleagues does not agree with the everyday use of that criterion, i.e. the correlation between the observed' and the real diameters etc. Nor is this criterion identical with the Spearman criterion of saturation coefficients. Some suggestions are given for solution of the problem, e.g. psychotechnical testing the inspectors, analysis of the frequency curves of their measurements and computation of the coefficients of correlation between the measurements of each inspector and the corresponding average measurements of all inspectors.

Date: 1946
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