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Code Bias

April 22, 2015

A very interesting item in the Spring issue of the Institute for Perception Newsletter discusses the issue of Code Bias in product testing. Code bias occurs when the number codes on our samples, in themselves, contribute to the response or sample selected by the respondent. The example quoted is that from a Chinese research study. In China, the...

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Temporal Check All That Apply

April 01, 2015

Temporal methods are those that collect data on how the intensity of sensory characteristics change with time.  They include Time Intensity, which tracks just one attribute; Progressive Profiling, where a group of attributes is rated at pre-defined time intervals; and more recently, Temporal Dominance of Sensations (TDS). In a TDS study, the...

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