Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Klimstra, Theo" or (type any "bookEditor issueEditor" and editor="Klimstra, Theo") Add to list Journal Article A1 A psychometric evaluation of a reduced version of the PID-5 in clinical and non-clinical adolescents Nagila Koster, Odilia Laceulle, Paul T. Van der Heijden, Theo Klimstra, Barbara De Clercq (UGent) , Lize Verbeke (UGent) , Elien De Caluwé and Marcel A. G. Van Aken (2020) EUROPEAN JOURNAL OF PSYCHOLOGICAL ASSESSMENT. 36(5). p.758-766 Add to list Journal Article A1 Reliability and validity of the Roberts UCLA loneliness Scale (RULS-8) with Dutch-speaking adolescents in Belgium Luc Goossens, Theo Klimstra, Koen Luyckx, Janne Vanhalst (UGent) and Eveline Teppers (2014) PSYCHOLOGICA BELGICA. 54(1). p.5-18 Add to list Journal Article A1 Attitudes towards aloneness during adolescence : a person-centred approach Eveline Teppers, Koen Luyckx, Janne Vanhalst (UGent) , Theo Klimstra and Luc Goossens (2014) INFANT AND CHILD DEVELOPMENT. 23(3). p.239-248 Add to list Journal Article A1 Depressive symptoms in university freshmen: longitudinal relations with contingent self-esteem and level of self-esteem Sofie Wouters, Bart Duriez, Koen Luyckx, Theo Klimstra, Hilde Colpin, Bart Soenens (UGent) and Karine Verschueren (2013) JOURNAL OF RESEARCH IN PERSONALITY. 47(4). p.356-363