Cross-cultural validation of the Turkish Four-Dimensional Symptom Questionnaire (4DSQ) using differential item and test functioning (DIF and DTF) analysis

Terluin, Berend; Unalan, Pemra; Sipahioglu, Nurver; Ozkul, Seda; van Marwijk, Harm

doi:10.1186/s12875-016-0449-4

Cross-cultural validation of the Turkish Four-Dimensional Symptom Questionnaire (4DSQ) using differential item and test functioning (DIF and DTF) analysis

Terluin B., Unalan P. C., Sipahioglu N. T., Ozkul S. A., van Marwijk H. W. J.

BMC FAMILY PRACTICE, vol.17, 2016 (SCI-Expanded, Scopus)

Publication Type: Article / Article
Volume: 17
Publication Date: 2016
Doi Number: 10.1186/s12875-016-0449-4
Journal Name: BMC FAMILY PRACTICE
Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Istanbul University Affiliated: Yes

Abstract

Background: The Four-Dimensional Symptom Questionnaire (4DSQ) is originally a Dutch 50 item questionnaire developed in primary care to assess distress, depression, anxiety and somatization. We aimed to develop and validate a Turkish translation of the 4DSQ.