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juin 2015
- handle: 10670/1.83h92w
- hal: hal-03243400
- doi: 10.1016/j.jclinepi.2015.01.023
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info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jclinepi.2015.01.023
info:eu-repo/semantics/OpenAccess
Mots-clés
Hardouin Health-Related Quality of Life Patient-Reported Outcomes Response Shift Methodology Randomized Control Trials Psychometrics -bio]/Human health and pathologySujets proches
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Antoine Vanier et al., « Semantic primes theory may be helpful in designing questionnaires such as to prevent response shift », HALSHS : archive ouverte en Sciences de l’Homme et de la Société, ID : 10.1016/j.jclinepi.2015.01.023
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Résumé
Objective. The purpose of Randomized Control Trials (RCTs) can be the assessment of the direct effect of treatment on Health-Related Quality of Life (HRQL). Response shift (RS) theory considers that a change in HRQL scores observed over time cannot be explained solely by a direct effect of a medical condition, it may also result from a change in the way people appraise their HRQL. The RS effect is a potential bias that is liable to compromise efficient assessment of the effect of treatment on HRQL. Study design and setting. We hypothesize a link between the RS effect on HRQL scores, and the level of complexity of HRQL conceptualization. Results. We discuss how the impact of reconceptualization on scores depends on the complexity of the linguistic definition of a subjective construct, and how for reprioritization the impact depends on the dimensionality. The linguistic theory of semantic primes is used to help identify how subjective constructs can be classified according to the complexity of their definitions. Conclusion. Finally, we suggest that the impact of the RS effect on HRQL scores could be avoided (or lessened) if questionnaires were designed with a rule of "the least semantic and psychometric complexity" in mind.