Austin Porterfield's Pioneering Research, Published in 1946, Is a Good

Austin Porterfield's pioneering research, published in 1946, is a good example of the utility of self-report studies. It showed that

A) despite claims to the contrary, boys and girls offend in a similar manner.
B) regarding class status, middle-class and working-class respondents had similar offending patterns.
C) despite similar patterns, working-class offenders were much more likely to be processed by the courts than middle-class offenders.
D) both b and c are true in Porterfield's study.