Summarizing slant perception with words and hands; an empirical alternative to correlations in Shaffer, McManama, Swank, Williams & Durgin (2014)

Research output: Contribution to journalArticlepeer-review


Colleges, School and Institutes


The paper by Shaffer, McManama, Swank, Williams & Durgin (2014) uses correlations between palm-board and verbal estimates of geographical slant to argue against dissociation of the two measures. This paper reports the correlations between the verbal, visual and palm-board measures of geographical slant used by Proffitt and co-workers as a counterpoint to the analyses presented by Shaffer and colleagues. The data are for slant perception of staircases in a station (N=269), a shopping mall (N=229) and a civic square (N=109). In all three studies, modest correlations between the palm-board matches and the verbal reports were obtained. Multiple-regression analyses of potential contributors to verbal reports, however, indicated no unique association between verbal and palm-board measures. Data from three further studies (combined N=528) also show no evidence of any relationship. Shared method variance between visual and palm-board matches could account for the modest association between palm-boards and verbal reports.

Bibliographic note

Copyright © 2015. Published by Elsevier B.V.


Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalActa Psychologica
Early online date8 Jan 2015
Publication statusPublished - Feb 2015


  • Hand, Humans, Orientation, Space Perception, Geographical slant perception, Verbal, visual and palm-board measures, Dissociation, Staircases