A comparison of five methods of illusion measurement
1972; Springer Science+Business Media; Volume: 4; Issue: 5 Linguagem: Inglês
10.3758/bf03210006
ISSN1554-3528
AutoresStanley Coren, Joan S. Girgus,
Tópico(s)Optical measurement and interference techniques
ResumoThe relative efficiency of five techniques of illusion measurement were tested on parametric variations of the Mueller-Lyer and Ebbinghaus figures. The methods of average error, reproduction, and selection from a graded series all showed significant effects of configurational variations. The subjective scaling techniques each failed to measure adequately changes in illusion magnitude for one illusion configuration. The suitability of the tested measures for group administration is also discussed.
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