Validity and reliability of the Polish online and pen-and-paper versions of the Somatoform Dissociation Questionnaires (SDQ-20 and PSDQ-5)

Pietkiewicz, I. J., Hełka, A. M., & Tomalski, R. (2019). Validity and reliability of the Polish online and pen-and-paper versions of the Somatoform Dissociation Questionnaires (SDQ-20 and PSDQ-5). European Journal of Trauma & Dissociation, 3, 23-31.
https://doi.org/10.1016/j.ejtd.2018.05.002