Correlation Between Weber s Law And Visual Perception

Abstract The purpose of this study was to measure and record the just-noticeable-difference (or JND) thresholds of random participants using their visual-based perception and to replicate and confirm Weber’s Law. Through this four-level single-factor experiment, these participants were asked to compare two lines which were flashed to them on a computer screen. Their objective at that point was to choose which line was longer of the two that were shown, and this was repeated 160 times at four different levels of line sizes: one inch, two inch, three inch, and four inch with each level having 40 trials. Once the JND values were obtained, they were then statistically analyzed and evaluated in terms of whether or not they were consistent with Weber’s Law. Collection along with the analysis of the data were all done on the University of California, Irvine campus inside the Social Science Laboratory. Based on the results, we can conclude there is a relationship between Weber’s Law and visual perception, but this may not always be true. During the 19th century, popular experimental-based psychologist named Ernst Weber developed a theory on human perception, proclaiming that for a difference to be perceived in two stimuli, they must differ by a certain minimum value, or in other words, a just noticeable difference, also known as difference limen or difference threshold. His contributions to the subject of psychophysics led to his theory being named â€Å"Weber’s Law.† This lawShow MoreRelatedVideo Games1979 Words   |  8 Pagesobservation driven. The other side believes that there is a relation between prolonged exposure to violence in video games and aggression. Disputes between the two are often over the lack of evidence and the questioning of psychological interpretations. Method of Investigation: The way this issue is studied is through psychological studies. 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