Perception & Psychophysics

, Volume 12, Issue 5, pp 385–388 | Cite as

Averaging: An empirical validity criterion for magnitude estimation

  • David J. Weiss


Ss judged grayness of neutral value Munsell chips under two response conditions: magnitude estimation and graphic rating. In addition, they judged average grayness of pairs of chips under the same two response modes. The averaging data were evaluated in terms of a simple model for subjective averaging. The graphic rating data fitted the model, but the magnitude estimates showed consistent discrepancy. It was concluded that the Ss were averaging, but that magnitude estimation distorted their judgments.


Response Mode Magnitude Estimation Stimulus Pair Functional Scale Psychophysical Function 
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Copyright information

© Psychonomic Society, Inc. 1972

Authors and Affiliations

  • David J. Weiss
    • 1
  1. 1.California State UniversityLos Angeles

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