Absolute judgements of stimuli which varied in size, in hue, or in size and hue combined in a correlated fashion, were made at 2 different durations. The results showed considerable gain in discrimination with combined size-hue stimuli, but no effect of duration at all. It is suggested that such tasks are of judgemental discrimination rather than perceptual discrimination, and that while absolute judgements can be limited by perceptual factors, other factors are ordinarily more important. Language: en
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Garner et al. (1964) studied this question.