RT Article T1 The cohort-size sample-size conundrum: an empirical analysis and assessment using homicide arrest data from 1960 to 1999 JF Journal of quantitative criminology VO 19 IS 1 SP 1 OP 32 A1 O'Brien, Robert M. A1 Stockard, Jean LA English YR 2003 UL https://krimdok.uni-tuebingen.de/Record/1639835792 K1 Kohortenforschung K1 Tötungsdelikte K1 Altersverteilung K1 Jugendliche K1 Methodenfragen