UAB Digital Repository of Documents 2 records found  Search took 0.01 seconds. 
6 p, 176.1 KB Wording effects and the factor structure of the 12-item General Health Questionnaire (GHQ-12) / Molina, Juan Gabriel (Universitat de València) ; Rodrigo Giménez, María F. (Universitat de València) ; Losilla Vidal, Josep Maria (Universitat Autònoma de Barcelona) ; Vives Brosa, Jaume (Universitat Autònoma de Barcelona)
The 12-item version of the General Health Questionnaire (GHQ-12) has become a popular screening instrument with which to measure general psychological health in different settings. Previous studies into the factorial structure of the GHQ-12 have mainly supported multifactor solutions, and only a few recent works have shown that the GHQ-12 was best represented by a single substantive factor when method effects associated with negatively worded items were considered. [...]
2014 - 10.1037/a0036472
Psychological assessment, Vol. 26, núm. 3 (2014) , p. 1031-1037  
9 p, 271.5 KB Q-Coh : a tool to screen the methodological quality of cohort studies in systematic reviews and meta-analyses / Jarde, Alexander (Universitat Autònoma de Barcelona) ; Losilla Vidal, Josep Maria (Universitat Autònoma de Barcelona) ; Vives Brosa, Jaume (Universitat Autònoma de Barcelona) ; Rodrigo Giménez, María F. (Universitat de València)
The evaluation of the methodological quality of primary studies in a systematic review is a key process to enhance the likelihood of achieving valid results. When considering non-randomized designs as cohort studies, this process becomes even more critical, since these designs are more susceptible to bias than randomized controlled trials are. [...]
La valoración de la calidad metodológica de estudios primarios en una revisión sistemática es un proceso clave para mejorar la validez de los resultados. Al considerar diseños no aleatorizados como los estudios de cohortes, este proceso se vuelve aún más crítico, ya que estos diseños son más susceptibles a sesgos que los estudios controlados mediante aleatorización. [...]

2013 - 10.1016/S1697-2600(13)70017-6
International Journal of Clinical and Health Psychology, Vol. 13, núm. 2 (2013) , p. 138-146  

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