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20. Measuring the Immeasurable: Quantitative Analyses of Perceptual Experiments

Luisa Canal and Rocco Micciolo


Subject Psychology

DOI: 10.1111/b.9781119954682.2013.00023.x


Extract

Natural perception enables us to identify a wide range of qualities of objects. Color (and color perception) is typically a qualitative variable. However, computer generated colors are based on a number of alternative, quantitative, ways in which color can be described, as, for example, in the RGB Color Model (which works by directly specifying the levels of the red, green, and blue primaries which are to be used to produce a color) or in the HSV Color Model (which is based on the ideas of hue, saturation, and lightness). We don't discuss these important themes here. Our interest is to identify underlying (and unknown) aspects of color that can be evaluated and quantified by means of statistical methods. This contribution is based on a perceptual experiment which is part of a series of exploratory works undertaken to analyze qualitative aspects in perception, specifically of color perception and its relationship with spatial form ( Albertazzi et al., 2013 ; Dadam, Albertazzi, Canal, & Micciolo, 2012 ; Dadam, Albertazzi, Da Pos, Canal, & Micciolo, 2012 ). We will describe how colors and shapes are associated and how it is possible to define a set of scores for colors having substantive meaning. The study we present below was aimed at analyzing color perception and its relationship with spatial form. Analysis focused on the participant's choice of hue to be paired with a ... log in or subscribe to read full text

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