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Evaluating the Use of Exploratory Factor Analysis in Developmental Disability Psychological Research / Megan NORRIS in Journal of Autism and Developmental Disorders, 40-1 (January 2010)

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inJournal of Autism and Developmental Disorders > 40-1 (January 2010) . - p.8-20

Titre :	Evaluating the Use of Exploratory Factor Analysis in Developmental Disability Psychological Research
Type de document :	Texte imprimé et/ou numérique
Auteurs :	Megan NORRIS, Auteur ; Luc LECAVALIER, Auteur
Année de publication :	2010
Article en page(s) :	p.8-20
Langues :	Anglais (eng)
Mots-clés :	Exploratory-factor-analysis Review Methods Developmental-disability Pervasive-developmental-disorder Intellectual-disability
Index. décimale :	PER Périodiques
Résumé :	Exploratory factor analysis (EFA) is a widely used but poorly understood statistical procedure. This paper described EFA and its methodological variations. Then, key methodological variations were used to evaluate EFA usage over a 10-year period in five leading developmental disabilities journals. Sixty-six studies were located and evaluated on multiple procedural variations. Only 35% (n = 23) of studies used EFA; principal components analysis was the model used most often (n = 40, 61%). Orthogonal rotation was used most often (n = 39, 59%). A large portion of studies ran analyses with a subject: item ratio larger than 5:1 (n = 49, 74%). Most researchers employed multiple criteria for retaining factors (n = 45, 68%). Overall, results indicated that published recommendations and guidelines for the use of EFA are largely ignored.
En ligne :	http://dx.doi.org/10.1007/s10803-009-0816-2
Permalink :	https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=963

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