Collecte des données dans un panel Internet basé sur les probabilités - Comment le panel LISS a été construit et comment il peut être utilisé: Dans cet article nous présentons la méthodologie pour la mise en place d’un panel qui combine les normes scientifiques pour un panel longitudinal avec les avantages des entretiens par Internet comme méthode de collecte de données. Un panel qui est destiné à la recherche scientifique exige un échantillon probabiliste, couvrant toute la population d’intérêt et donc y compris les personnes sans accès à Internet et les personnes qui ne sont pas volontaires pour répondre aux questions. Nous montrons comment un tel panel peut être construit et entretenu, et comment les chercheurs peuvent l’utiliser et travailler à partir de leurs données gratuites.
Inspired by the research of Frank Andrews on the reliability and validity of survey questions, a large-scale research project was conducted in the Netherlands. The project was comprised of two different stages. For this project, more than 600 survey questions were included in different surveys according to a multitrait-multimethod design. The resulting data were analyzed in two steps. In the first step, estimates of validity and reliability were obtained for each question. The second step was a meta-analysis of the variation in data quality found in the first step. This variation was related to question-specific characteristics, response scale characteristics, context characteristics, and design characteristics. The article describes how the results of this study can be of practical use. In addition, the authors compare them to results of similar studies in the United States, Austria, and other Western, Central, and Eastern European countries.
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