Experiments on figural dominance.

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Abstract
This study represents an attempt to determine quantitatively the extent to which the principle of proximity in a reversible pattern will influence the figural dominance. Rubin''s circle with 8 sectors was used as stimulus pattern. The angles of the plus-figure of this pattern varied as follows: 5[degree], 15[degree], 25[degree], 35[degree], 45[degree], 55[degree], 65[degree], 75[degree], and 85[degree]. The principal findings are as follows: Figural dominance, as measured by frequency of the first occurrence, is a cosine function of the intrafigural angle. The duration of the figural period is dependent upon the intrafigural angles of the alternating figures. It is shortest at 45[degree]. The greater the difference between the intrafigural angles of these figures, the longer the duration of the figural period. The duration of the part-figures in a figural period shows that the dominance of the alternating figures varies inversely with the intrafigural angle. The individual differences are very great. Great phenomenal differences are found between the dominant and nondominant figures. The former is much more "figured" than the latter. The degree of figuredness of one of alternating figures varies directly with the dominance of that figure.
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