Averaging: An empirical validity criterion for magnitude estimation David J. Weiss OriginalPaper Pages: 385 - 388
Visual discrimination between rectangular and nonrectangular parallelopipeds David N. Perkins OriginalPaper Pages: 396 - 400
Fingertip force, surface geometry, and the perception of roughness by active touch Susan J. LedermanM. M. Taylor OriginalPaper Pages: 401 - 408
Recognition of melodic transformations: Inversion, retrograde, and retrograde inversion W. J. Dowling OriginalPaper Pages: 417 - 421
Visual tilt normalization: The method of kinesthetic matching William B. Templeton OriginalPaper Pages: 422 - 424
Why are faces hard to recognize in photographic negative? Richard J. Phillips OriginalPaper Pages: 425 - 426
Cross-cultural and educational aspects of the Ponzo perspective illusion Herschel W. LeibowitzHerbert A. Pick OriginalPaper Pages: 430 - 432
Some puzzling results on the Poggendorff illusion A. W. PresseyO. Sweeney OriginalPaper Pages: 433 - 437
Vernier acuity as affected by target length and separation G. D. SullivanK. OatleyN. S. Sutherland OriginalPaper Pages: 438 - 444
Binocular summation of equal-energy flashes of unequal duration D. H. WestendorfR. Randolph BlakeRobert Fox OriginalPaper Pages: 445 - 448