Abstract
In a category rating study, pure tone anchors of 1 sec duration, but varying in intensity, were compared as to their effects on judgments of the duration of white noise series stimuli of 2, 4, 6, 8, and 10 sec. The study postulated an effect on judgment related to the presence of an “irrelevant” attribute. The hypothesis was supported: An anchor stimulus of greater intensity than that of the series exerted the greatest effect (p =.04) when compared to the no-anchor condition and to other anchor conditions. A less intense anchor also had a significant effect (p =.04) compared to the no-anchor condition, whereas an anchor of equal intensity to the series did not have a significant effect (p =.28). The introduction of anchor stimuli lowered duration judgments throughout.
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This research was supported by the Air Force Office of Scientific Research, Grant No. 1163-66.
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Adamson, R., Everett, K. Response modification by “irrelevant” stimulus attributes. Psychon Sci 14, 81 (1969). https://doi.org/10.3758/BF03336441
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DOI: https://doi.org/10.3758/BF03336441