Article

Efectos de formato de respuesta y método de estimación en análisis factorial confirmatorio

Psicothema, ISSN 0214-9915, Vol. 10, Nº. 1, 1998, pags. 197-208 01/1998;
Source: OAI

ABSTRACT Se compara el funcionamiento del formato continuo frente al Likert de cinco puntos a partir de la administración de una batería de cuestionarios sobre autoestima a 640 estudiantes de enseñanza secundaria. El trabajo se centra en el comportamiento de los 20 items de la State Self-Esteem Scale (SSES) de Heatherton y Polivy (1991). Se someten a estudio diferentes modelos factoriales coherentes con el estudio de la validez de constructo de la escala (modelo de uno y tres factores y modelo multirrasgo-multimétodo) ofreciéndose las estimaciones por máxima verosimilitud y métodos de distribución libre. Tras evaluar el ajuste global y analítico de los modelos, se abordan cuestiones de carácter estadístico tales como aspectos diferenciales de los efectos de método en las escalas según formato de respuesta y método de estimación utilizados.

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