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ERIC Number: EJ921259
Record Type: Journal
Publication Date: 2011-Apr
Pages: 21
Abstractor: As Provided
Reference Count: 24
ISSN: ISSN-0033-3123
Three-Way Tucker2 Component Analysis Solutions of Stimuli x Responses x Individuals Data with Simple Structure and the Fewest Core Differences
Adachi, Kohei
Psychometrika, v76 n2 p285-305 Apr 2011
Multivariate stimulus-response designs can be described by a three-way array of stimuli by responses by individuals. Its underlying structure can be represented by a network based on the Tucker2 component model in which stimulus components are connected with response components by means of the links that differ between individuals. For each individual such links are represented in a slice of the extended core array. For a proper understanding of these links, it is desirable that [1] the individual core slices as well as the component matrices have simple structures and [2] the differences of core slices between individuals are as few as possible. For attaining [1] and [2] we propose a method in which both the component matrices and the core slices of a Tucker2 solution are transformed simultaneously in order that the component matrices match simple target matrices and the core slices are summarized by a simple target slice. The proposed method is evaluated in a simulation study and illustrated with a three-way data array of semantic differential ratings.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A