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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 Excerpt:...is greatest with the lighter contrast rings. Milton-Bradley yellow shows irregular results. For the subject K.: the anomaly is greatest with the elimina "Titchener, E. B. Text-Book of Psychology, 1909, p. 76. w Cf. above, p. 12, footnote. tion of brightness contrast for the colors blue and Milton-Bradley yellow. Hering yellow shows only slight variations for the different brightnesses, and for this subject the anomaly practically disappears with red and green. For the subject F.: the results are too irregular to allow of any generalizations. The only possible conclusion, therefore, seems to be that there is a slight tendency for the difference between contrast color and complementary to increase with a decrease in the brightness contrast between contrast rings and background. In spite of the indefiniteness of this statement, however, the fact must be emphasized that with all three subjects, for the colors blue and yellow where the difference between contrast color and complementary is marked, that difference is independent of any variation in the brightness of the constant ring. The amount of the anomaly varies somewhat for the different brightnesses of the gray ring, but it never disappears and is never reversed, and the variations themselves are relatively slight when compared with the large differences between contrast and complementary colors. Whatever the brightness of the contrast ring, the contrast color of blue is always orange, and the contrast of yellow, violet. The conclusion seems justified, then, that the difference between contrast and complementary colors, at least in the cases of blue and of yellow, is independent of any difference in brightness between contrast-inducing and contrast-suffering surfaces. With regard to the second questio...