A novel method for the construction of verbal rating scales at the ratio scale level of measurement precision: The multidimensional-psychophysical scaling procedure (M-PSP)

The multidimensional-psychophysical scaling procedure was employed to construct verbal rating scales at the ratio scale level of measurement precision. The multidimensional individual differences scaling model (INDSCAL) demonstrated a one-dimensional solution in the group stimulus space, with the ei...

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Bibliographic Details
Published in:Attention, perception & psychophysics perception & psychophysics, 2010-02, Vol.72 (2), p.548-553
Main Authors: Clark, W. Crawford, Carroll, J. Douglas, Janal, Malvin N.
Format: Article
Language:English
Subjects:
Advantages
Behavioral Science and Psychology
Biological and medical sciences
Clinical outcomes
Cognitive Psychology
Data Analysis
Electric Stimulation
Emotions
Fundamental and applied biological sciences. Psychology
Humans
Individuality
Multidimensional Scaling
Pain Measurement - statistics & numerical data
Pain Threshold
Perception
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Psychometrics - statistics & numerical data
Psychophysics
Psychophysics - statistics & numerical data
Ratings & rankings
Semantics
Stimuli
Verbal Behavior
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Summary:The multidimensional-psychophysical scaling procedure was employed to construct verbal rating scales at the ratio scale level of measurement precision. The multidimensional individual differences scaling model (INDSCAL) demonstrated a one-dimensional solution in the group stimulus space, with the eight verbal descriptors and the eight electrical stimulus intensities interdigitated with respect to their perceived strength. A plot of these stimulus coordinates against a scale of electrical intensities in milliwatts yielded an exponential function. To construct the rating scales, the four attributes that could be discerned within the dimension—namely, perceived intensities of the electrical stimuli and the attributes of the subjective experiences evoked by the electrical stimuli: pain qualities, somatosensory qualities, and emotional qualities—were plotted as separate scales against a subjective intensity scale. Although not presented here, INDSCAL also yields a subject coordinate space that quantifies the importance or saliency to each subject of each pole, stoical or complainer, of the dimension.
ISSN:1943-3921
1943-393X
DOI:10.3758/APP.72.2.548