The null hypothesis is not called that for nothing: statistical tests in randomized trials Robert Boruch OriginalPaper 20 February 2007 Pages: 1 - 20
The effects of closed-circuit television on crime: meta-analysis of an English national quasi-experimental multi-site evaluation David P. FarringtonMartin GillJavier Argomaniz OriginalPaper 14 February 2007 Pages: 21 - 38
How important are interview methods and questionnaire designs in research on self-reported juvenile delinquency? An experimental comparison of Internet vs paper-and-pencil questionnaires and different definitions of the reference period Sonia LuciaLeslie HerrmannMartin Killias OriginalPaper 20 February 2007 Pages: 39 - 64
Using group-based trajectory modeling in conjunction with propensity scores to improve balance Amelia M. HavilandDaniel S. Nagin OriginalPaper 14 February 2007 Pages: 65 - 82