The relation between an extreme proportion and a less extreme proportion, in the context of the comparability of tests

T P Hutchinson

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    3 Citations (Scopus)


    Data are sometimes encountered consisting of the proportions of items falling into each of three ordered categories in a number of different circumstances. The examples in this paper concern properties of particulate material, such as the proportion of particles considered to be fractured. Methods are proposed for relating the proportion satisfying some stringent criterion (e.g., two or more fractured faces) to the proportion satisfying some less stringent criterion (e.g., one or more fractured faces). Emphasis is on methods whose success or otherwise can be seen graphically.
    Original languageEnglish
    Pages (from-to)255-257
    Number of pages3
    JournalJournal of Testing and Evaluation
    Issue number3
    Publication statusPublished - 2002


    • Comparability of tests
    • Fracturing of particles
    • Graphical analysis
    • Ordered categories
    • Particle shape
    • Transformation to linearity

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