El método Statis como alternativa para detectar "response shift" en estudios de calidad de vida relacionada con la salud

  1. Vicente Galindo, María Purificación 1
  2. Galindo Villardón, María Purificación 1
  1. 1 Universidad de Salamanca, Departamento de Estadística
Revista:
Revista de Matemática: Teoría y Aplicaciones

ISSN: 2215-3373,  2215-3373

Año de publicación: 2009

Volumen: 16

Número: 1

Páginas: 1-15

Tipo: Artículo

DOI: 10.15517/RMTA.V16I1.1415 DIALNET GOOGLE SCHOLAR lock_openDialnet editor

Otras publicaciones en: Revista de Matemática: Teoría y Aplicaciones

Resumen

Evaluar la Calidad de Vida de los pacientes es dif´?cil porque junto al cambio real(alpha) muchos pacientes que experimentan un cambio en su salud (diagnostico dec´ancer, por ejemplo), pueden cambiar sus est´andar internos de medida (recalibraci´on),sus valores (repriorizaci´on), o incluso reconceptualizar lo que antes entend´?an por Calidadde Vida (Cambios Beta y Gamma). Este fen´omeno es conocido como “ResponseShift” y justifica la paradoja descrita en la literatura por la cual pacientes con gravesproblemas de salud perciben una Calidad de Vida m´as alta de la estimada por m´edicosy familiares.En este trabajo, despu´es de evaluar los problemas existentes a la hora de definir elconstructo Calidad de Vida, centramos la atenci´on en las dimensiones del ResponseShift. Se discuten las limitaciones del m´etodo cl´asico de Ahmavaara y se proponensoluciones para detectar y evaluar las componentes Beta y Gamma del Response Shift.Palabras clave: Calidad de Vida, Response Shift, cambio Beta, cambio Gamma, m´etodoStatis Dual.

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