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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]
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 ...
The radex structure, which originated earlier as "a new approach to factor analysis", [14] has been found also in the study of color perception [15] as well as in other domains of research. Faceted SSA has been applied in a wide variety of research areas including value research [16] [17] social work [18] and criminology [19] [20] and many ...
the social action model, whose objectives are to recognize the change around a community in order to preserve or improve standards, understand the social action process/model is a conceptualization of how directed change takes place, and understand how the social action model can be implemented as a successful community problem solving tool,
Communicative planning is an approach to urban planning that gathers stakeholders and engages them in a process to make decisions together in a manner that respects the positions of all involved. [1] It is also sometimes called collaborative planning among planning practitioners or collaborative planning model.
The planning for the firings is at an early stage after Trump's Nov. 5 election victory and could change as Trump's administration takes shape, said the sources, who are familiar with the Trump ...
The item-total correlation approach is a way of identifying a group of questions whose responses can be combined into a single measure or scale. This is a simple approach that works by ensuring that, when considered across a whole population, responses to the questions in the group tend to vary together and, in particular, that responses to no individual question are poorly related to an ...
A widely used artificial food dye could soon be outlawed. The U.S. Food and Drug Administration (FDA) is moving to ban an artificial food coloring called Red No. 3, also known as Erythrosine. The ...