RT Article T1 How serious is the problem of item nonresponse in delinquence scales and aetiological variables?: a cross-national inquiry into two classroom PAPI self-report studies in Antwerp and Halmstad JF European journal of criminology VO 5 IS 3 SP 289 OP 308 A1 Pauwels, Lieven 1974- A2 Svensson, Robert LA English YR 2008 UL https://krimdok.uni-tuebingen.de/Record/1624061966 K1 Selbstberichtete Delinquenz K1 Antwortverhalten K1 Methodenprobleme K1 Gültigkeit