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Revista Colombiana de Psiquiatría

versão impressa ISSN 0034-7450

Resumo

CAMPO-ARIAS, Adalberto; HERAZO, Edwin  e  OVIEDO, Heidi Celina. Factor Analysis: Principles to Evaluate Measurement Tools for Mental Health. rev.colomb.psiquiatr. [online]. 2012, vol.41, n.3, pp.659-671. ISSN 0034-7450.

The validation of a measurement tool in mental health is a complex process that usually starts by estimating reliability, to later approach its validity. Factor analysis is a way to know the number of dimensions, domains or factors of a measuring tool, generally related to the construct validity of the scale. The analysis could be exploratory or confirmatory, and helps in the selection of the items with better performance. For an acceptable factor analysis, it is necessary to follow some steps and recommendations, conduct some statistical tests, and rely on a proper sample of participants.

Palavras-chave : Psychometrics; scales; factor analysis; validation studies; review.

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