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PERFORMANCE ASSESSMENT OF SENSORY PANELISTS

1992; Wiley; Volume: 7; Issue: 3 Linguagem: Inglês

10.1111/j.1745-459x.1992.tb00534.x

1745-459X

PATRICIA A. PRITCHETT. MANGAN,

Sensory Analysis and Statistical Methods

ABSTRACT. The replication variance of individual stimulus evaluations and scale utilization across a panelist's stimulus profile are simultaneously employed to develop statistics for assessing performance of panelists. The approach provides opportunities for comparison of panelists to each other, determination of attributes for which panelist confusion is observed, isolation of stimuli presenting unstable properties, and engagement of influence weights (based on relative precision) in subsequent analyses of data. Although the methodology has been developed for applications involving sensory panelists, the statistical concepts may be extended to other data collection scenarios involving replicated determinations from bounded quantitative measurement scales.