Abstract
Nine Ss judged similarity of pairs of lines on a scale from 0 to 100, and 14 Ss made magnitude estimations of similarity of pairs of lines. The two scales of similarity were linearly related. Scale values for subjective length were obtained in one dimension using a nonmetric multidimensional analysis. Subjective length was found to be logarithmically related to objective length, and similarity was found to be an exponential
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This research was conducted while the first author held J postgraduate scholarship from the National Research Council of Canada
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Markley, R.P., Ayers, D. & Rule, S.J. Similarity judgments of line length. Perception & Psychophysics 6, 58–60 (1969). https://doi.org/10.3758/BF03210678
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DOI: https://doi.org/10.3758/BF03210678