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Abstract W. J. Youden was the first to suggest that a test method be evaluated for ruggedness in a single laboratory before we subject it to an interlaboratory performance study. This review explains the logic behind this simple and efficient experimental design and includes a completely worked out example, from one of Youden's papers, for the commonly used scheme of 7 factors in 8 experiments. Experimental plans for studying the effects of 11 factors in 12 experiments and 15 factors in 16 experiments are layed out along with many references.
Grant Wernimont (Mon,) studied this question.