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© 1967 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists, Vol. 18, No. 2, 123-133


Comparison of Local and National Consumer Panels in a Paired Preference Test. I. Statistical Data
Jean F. Caul , Shirley A. Raymond

ABSTRACT

Synopsis

An investigation was conducted to answer some basic questions about consumer product testing. Using two toothpastes as the test products, the performance of two consumer panels differing in size and type was compared. The so-called local panel, which was the smaller panel, consisted of families selected because they were known to discriminate, i. e., accurately observe product properties. The so-called national panel was a balanced national quota sampling of about 300 families.

After the two-week use period, the written responses to questionnaires were tallied. Data were compared for 89 local families of 403 persons and 249 national families of 832 persons. The two sets of data showed virtually complete parallels in terms of over-all preference, hedonic scoring, and the correlation of flavor preference with over-all preference.

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© 1967 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists