TY - CPAPER U1 - Konferenzveröffentlichung A1 - Schlotz, Wolff A1 - Greb, Fabian A1 - Steffens, Jochen T1 - Smartphones as research tools in ambulatory assessment: Effects of own or loan devices on adherence, response attrition, usability, and reactivity T2 - Proceedings of the 5th Conference of the Society for Ambulatory Assessment (SAA 2017), Luxembourg Y1 - 2017 CY - Luxembourg ER -