Validity of Internet-Based Longitudinal Study Data: The Elephant in the Virtual Room

• Główni autorzy: Pugh, Carys A (Autor), Summers, Kim M (Autor), Bronsvoort, B Mark C (Autor), Handel, Ian G (Autor), Clements, Dylan N (Autor)
• Format: Książka
• Wydane: JMIR Publications, 2015-04-01T00:00:00Z.
• Hasła przedmiotowe: article
• Dostęp online: Connect to this object online.

BackgroundInternet-based data collection relies on well-designed and validated questionnaires. The theory behind designing and validating questionnaires is well described, but few practical examples of how to approach validation are available in the literature. ObjectiveWe aimed to validate data col...