Erratum: How and why does category learning cause categorical perception?[Published: Special Issue: Categorization: Causes and Consequences, 30, (2017)]

Pérez-Gay, Fernanda, Thériault, Christian, Gregory, Madeline, Sabri, Hisham, Rivas, Dan and Harnad, Stevan (2018) Erratum: How and why does category learning cause categorical perception?[Published: Special Issue: Categorization: Causes and Consequences, 30, (2017)]. International Journal of Comparative Psychology, 31.

Abstract

"To test whether there were differences in separation or compression between the easier and harder condition we did repeated-measures ANOVAS with difficulty as a between-subject factor. Between-category separation (positive DiffB) was significant in both the easy, F(1,9) = 36.23, p < 0.001, and the hard condition, F(1,7) = 11.284, p = 0.012. In the easy condition there was also significant within-category compression (negative DiffW), t(15) = -2.461, p = 0.026, but not in the hard condition, t(7) = 1.165, p = 0.282 (Figure 6). The differences between the easy and hard condition in between-category separation were not significant, F(1,22) = 0.477 p = 0.497, but the differences in within-category compression were significant, F(1,22) = 5.330, p = 0.031.".

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Contributors

Author: Stevan Harnad

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