Research ArticleOpen accessIn the keywordsContrasting Three Popular Explanations for the Muller-Lyer IllusionMichael R. WoloszynProblem statement: Using the method of adjustment, participants compared the line lengths of ‘dumbbell’ and ‘spectacle’ versions of Muller-Lyer (circles and ovals at the endpoints in place of arrowheads). Approach: Three popular competing explanations for the illusion (conflicting cues, misapplied size constancy scaling and confusion hypothesis) make differing predictions concerning the pattern of change in illusion strength when the bounding … …Current Research in Psychology, Vol. 1, Issue 2 · 31 Dec 2010 · 22,790 accessesView PDFCite