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THE REGRESSION TO RIGHT ANGLES TENDENCY AND THE POGGENDORFF ILLUSION. III
Author(s) -
HOTOPF W. H. N.,
OLLEREARNSHAW CHRISTINE,
BROWN SUSANNAH
Publication year - 1974
Publication title -
british journal of psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.536
H-Index - 92
eISSN - 2044-8295
pISSN - 0007-1269
DOI - 10.1111/j.2044-8295.1974.tb01396.x
Subject(s) - psychology , transversal (combinatorics) , illusion , regression , regression analysis , geometry , constant (computer programming) , social psychology , statistics , mathematical analysis , mathematics , cognitive psychology , psychoanalysis , computer science , programming language
The theory was tested that the Poggendorff illusion was due to three tendencies: (i) the regression to the right angle of the angle formed by the transversal with the ‘inducing’ figure, (ii) the tendency to see the transversal as more horizontal or vertical than it is depending upon which coordinate is nearer, and (iii) the tendency, when the ‘inducing’ figure is nearer one of these coordinates, for the transversal to be seen as nearer the other. A regression analysis showed that these tendencies were highly statistically significant and with a constant factor accounted for 93 per cent of the variability of the means for each angle.