Journal
PSYCHONOMIC BULLETIN & REVIEW
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.3758/s13423-023-02331-0
Keywords
Numerical judgments; Cognitive modeling; Multidimensional scaling; Natural stimuli
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This study demonstrates how cues and cue values of complex naturalistic stimuli can be extracted from similarity ratings using multidimensional scaling analysis, and successfully applied to a numerical judgment model.
Research on processes of multiple-cue judgments usually uses artificial stimuli with predefined cue structures, such as artificial bugs with four binary features like back color, belly color, gland size, and spot shape. One reason for using artifical stimuli is that the cognitive models used in this area need known cues and cue values. This limitation makes it difficult to apply the models to research questions with complex naturalistic stimuli with unknown cue structure. In two studies, building on early categorization research, we demonstrate how cues and cue values of complex naturalistic stimuli can be extracted from pairwise similarity ratings with a multidimensional scaling analysis. These extracted cues can then be used in a state-of-the-art hierarchical Bayesian model of numerical judgments. In the first study, we show that predefined cue structures of artificial stimuli are well recovered by an MDS analysis of similarity judgments and that using these MDS-based attributes as cues in a cognitive model of judgment data from an existing experiment leads to the same inferences as when the original cue values were used. In the second study, we use the same procedure to replicate previous findings from multiple-cue judgment literature using complex naturalistic stimuli.
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