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In the analysis of multivariate observations designed to assess subjects with respect to an attribute, a Guttman scale (named after Louis Guttman) is a single (unidimensional) ordinal scale for the assessment of the attribute, from which the original observations may be reproduced. The discovery of a Guttman scale in data depends on their ...
Guttman research interests were in the fields of scale and factor analysis, multidimensional scaling and facet theory. [4] His mathematical and philosophical treatments of Factor analysis are among the important parts of his scientific legacy. His earlier work in scaling analysis produced what has become to be known as the Guttman scale. [5]
Facet theory is a metatheory for the multivariate behavioral sciences that posits that scientific theories and measurements can be advanced by discovering relationships between conceptual classifications of research variables and empirical partitions of data-representation spaces.
importance of these preferences to health behaviors, a recent meta-analysis of reinforcement contingency management (in which people are paid for improving health behaviors) found that the single most important determinant of effect size was whether behavior-contingent rewards
The behavior displayed by the peacock in the above video is not random. He is employing a series of peacock courtship moves that demonstrate his energy and muscular power and therefore his value ...
The last few weeks of the year can be a busy and stressful time. Here’s how to focus on what really matters this holiday season, according to experts.
The Bogardus social distance scale is a cumulative scale (a Guttman scale), because agreement with any item implies agreement with all preceding items. Research by Bogardus first in 1925 and then repeated in 1946, 1956, and 1966 shows that the extent of social distancing in the US is decreasing slightly and fewer distinctions are being made ...
Every dog has a personality just as unique as they are, but breed standards still exist for a reason. You can often find clues about a dog's disposition by looking at their breed's characteristics.