کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4318269 1290645 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Least equivalent allowable differences in equivalence testing
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک دانش تغذیه
پیش نمایش صفحه اول مقاله
Least equivalent allowable differences in equivalence testing
چکیده انگلیسی

This paper aims at an extension and refinement of some recent work on equivalence testing in sensory science. The performance of the two-one-sided-tests (TOST) approach using the t-test statistic for normally distributed data is briefly compared from a practical point of view to alternatives found in the literature. Based on the TOST and on several other methods like, e.g., the Binomial test for 2- and 3-AFC methods, it is shown how a least equivalent allowable difference (LEAD) can be determined. This is related to an appropriate confidence interval, while typically only the absolutely larger bound is taken into account. The LEAD gives valuable information to the investigator and is particularly independent from the analyst’s choice of a maximum allowable difference. Re-visiting some examples from the literature illustrates this concept.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Food Quality and Preference - Volume 18, Issue 3, April 2007, Pages 541–547
نویسندگان
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