| 摘要 |
A method of validating a questionnaire for use in determining quality of life indicators for users of consumer products is disclosed. The method includes the steps of; e. providing a plurality of consumers a consumer product for use; f. using, by said consumers, said consumer product according to its intended use; g. providing to said consumers a questionnaire comprising a plurality of questions; h. answering, by said consumers, the questions on said questionnaire; i. analyzing said answers for each said questionnaire; j. interviewing at least some of said consumers individually with respect to their respective questionnaire to correlate said consumer's answers with said consumer's subjective feelings; k. if said answers and said subjective feelings from step (f) do not correlate sufficiently to accurately characterize quality of life aspects, changing one or more questions on said questionnaire and repeating steps (c) through (f); and l. if said answers and said subjective feelings from step (f) do correlate sufficiently to accurately characterize quality of life aspects of said consumer, consider questionnaire to be validated.
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