Perceptual thresholds of curvilinearity and angularity as functions of line length.
- 1 January 1956
- journal article
- research article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology
- Vol. 51 (5) , 343-347
- https://doi.org/10.1037/h0042239
Abstract
Tested two hypotheses: (1) thresholds for curvature and angularity decrease as base length or chord length increases; and (2) thresholds for angularity are lower than for curvilinearity of lines. Using the method of single stimuli with several measures, diopters, length of sagitta, etc., found that the perception of curvilinearity and angularity is superior for greater chord and base lengths. Sensitivity to "off-straightness" is greater for curves than for angles.Keywords
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