Which is not one of the weaknesses associated with self-report data of delinquency?
a) juveniles often only report trivial acts on self-report surveys
b) many self-report surveys overestimate the extent of serious delinquency
c) many self-report surveys underestimate the extent of serious delinquency
d) many self-report surveys only focus on minor offenses
e) there are very few long term, nationwide self reports surveys of delinquency