Assessing the equivalence of Web-based and paper-and-pencil questionnaires using differential item and test functioning (DIF and DTF) analysis: a case of the Four-Dimensional Symptom Questionnaire (4DSQ).

Berend TerluinEvelien P M BrouwersMiquelle A G MarchandHenrica C W de Vet

Published in: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2018)

IRT-based DIF and DTF analysis is demonstrated as a way to assess the equivalence of Web-based and P&P questionnaire modalities. Data obtained with the Web-based 4DSQ are equivalent to data obtained with the P&P version.

Keyphrases

psychometric properties
electronic health record
cross sectional
big data
machine learning