Cross-cultural validation of the Turkish Four-Dimensional Symptom Questionnaire (4DSQ) using differential item and test functioning (DIF and DTF) analysis
Crossref DOI link:
Update policy: https://doi.org/10.1007/SPRINGER_CROSSMARK_POLICY
Unalan, Pemra C.
Turfaner Sipahioğlu, Nurver
Arslan Özkul, Seda
van Marwijk, Harm W. J.
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