Magnitude estimation and sensory matching

Marks, Lawrence Ε.

doi:10.3758/bf03207739

Cited by 131 publications

(170 citation statements)

References 36 publications

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“…Earlier Work on Judgment of Stimuli From Contrasting Sets Wedell (1995) and Marks (1988Marks ( , 1991 obtained results that seem to show a contrast effect that would be inconsistent with our model. The condition in which the apparent contradiction arises is one in which there are two stimulus sets that vary in size and cover different ranges but partially overlap.…”

Section: Assessment Of the Truncation Modelcontrasting

confidence: 99%

“…That is, the results indicate that estimates of the stimulus from the small blue category were moved away from the center of that category toward its upper boundary or that estimates of the stimulus from the large green category were moved away from the center of that category toward its lower boundary. Marks (1988Marks ( , 1991 showed a similar contrast effect in a study involving judgments of the loudness of sounds.…”

Section: Assessment Of the Truncation Modelmentioning

confidence: 81%

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Estimating stimuli from contrasting categories: Truncation due to boundaries.

Huttenlocher

Hedges

Lourenco

et al. 2007

Journal of Experimental Psychology: General

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In this article, the authors present and test a formal model that holds that people use information about category boundaries in estimating inexactly represented stimuli. Boundaries restrict stimuli that are category members to fall within a particular range. This model posits that people increase the average accuracy of stimulus estimates by integrating fine-grain values with boundary information, eliminating extreme responses. The authors present 4 experiments in which people estimated sizes of squares from 2 adjacent or partially overlapping stimulus sets. When stimuli from the 2 sets were paired in presentation, people formed relative size categories, truncating their estimates at the boundaries of these categories. Truncation at the boundary of separation between the categories led to exaggeration of differences between stimuli that cross categories. Yet truncated values are shown to be more accurate on average than unadjusted values.

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Section: Assessment Of the Truncation Modelcontrasting

confidence: 99%

Section: Assessment Of the Truncation Modelmentioning

confidence: 81%

Estimating stimuli from contrasting categories: Truncation due to boundaries.

Huttenlocher

Hedges

Lourenco

et al. 2007

Journal of Experimental Psychology: General

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show abstract

“…In these studies, stimuli that have been drawn from two different distributions are presented in the same experimental setting. To the extent that these studies demonstrate a contextual effect of the different distributions, they appear to demonstrate contrast rather than assimilation effects (Marks, 1988(Marks, , 1992Schneider & Parker, 1990;Wedell, 1995). For example, Marks (1988) found that magnitude estimates of the loudness of a 2500-Hz tone were greater than those of the loudness of a 500-Hz tone of the same amplitude when the set of 2500-Hz tones was generally softer than the set of 500-Hz tones.…”

mentioning

confidence: 99%

Is memory for stimulus magnitude Bayesian?

Sailor

Antoine

2005

Memory & Cognition

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This study was designed to determine whether memory for stimulus values is a Bayesian weighting of the magnitude of a stimulus and the central tendency of an exemplar's category (Huttenlocher, Hedges, & Vevea, 2000). In five experiments, participants reproduced the remembered size of a geometric figure drawn from one of two categories whose means for size differed. Reproductions were biased toward the mean of the combined distribution rather than the mean of either category. Reproductions were also influenced by the size of the stimulus on the preceding trial. Neither of these results is entirely consistent with the view that recollections are partially constructed from a consideration of the long-run probabilities established by category membership.

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“…Because magnitude estimation numbers are ratio in nature, an assignment by a given participant of 25 to a stimulus theoretically is perceived half as intense as an assignment of 50. This method is well documented in the psychophysical and organoleptic sensory literature (Doty, 1975;Marks, 1988;Moskowitz, Dravnieks, Cain, & Turk, 1974). The judgments were collected on three separate occasions, resulting in a total of 126 trials within the whole study.…”

Section: Methodsmentioning

confidence: 99%