“…All but 3 (18%) studies used a cross-sectional design. Exceptions were 2 studies (Hagan, Gust-Brey, Cho, & Dow, 2001;Sipe, Jensen, & Everett, 1998) in which juvenile offenders were continually followed into adulthood and one Veneziano, LeGrand, and Richards (2004) van Wijk, Vreugdenhil, and Bullens (2004) van Wijk, van Horn, Bullens, Bijleveld, and Doreleijers (2005) van Wijk, Loeber, et al (2005) 78 longitudinal study in which juvenile sex offenders were followed within a normal population sample (van Wijk, Loeber, et al, 2005). Structured interview methods, questionnaires, or psychological tests were most frequently used for collecting information.…”