AN OBJECTIVE NUMERICAL METHOD OF ASSESSING THE RELIABILITY OF TIME-INTENSITY PANELISTS |
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| Authors: | K. BLOOM L.M. DUIZER C.J. FINDLAY |
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| Affiliation: | Department of Psychology University of Waterloo Waterloo, ON. Canada N2L 3GI;Compusense Inc. 150 Research Lane Guelph, ON, Canada NIG 4T2 |
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| Abstract: | A measure of the reliability (T-IR) of time-intensity measurements was developed based on the concept of standard deviation as a measure of panelist variability. The T-IR measure was applied to time-intensity data collected from 10 panelists evaluating the sweetness of 4 model sweetener solutions on horizontal and vertical time-intensity line orientations. T-IR scores showed that the panelists were similarly reliable across the sweeteners and orientations. As well, independent of scale orientation, responses to sweeteners were similarly reliable. The T-IR measure can be used to maintain a high level of performance by monitoring time-intensity panelists. T-IR also provides an objective method of selecting panelists for time-intensity panels. |
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