• 比较(bǐjiào)性方法-根据不同对象的比较(bǐjiào) 获得某一特征的相对值
• 非比较方法-对每一对象进行独立测量
• 例:对可口可乐和百事可乐口味偏好的
测量
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Paired Comparison Scaling
The most common method of taste testing is paired comparison. The consumer is asked to sample two different products and select the one with the most appealing taste. The test is done in private and a minimum of 1,000 responses is considered an adequate sample. A blind taste test for a soft drink, where imagery, self-perception and brand reputation are very important factors in the consumer’s purchasing decision, may not be a good indicator of performance in the marketplace. The introduction of New Coke illustrates this point. New Coke was heavily favored in
测量
Measurement
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