The Text Considered Several Plausible Explanations for the Failure of the Cambridge-Somerville

Multiple Choice

The text considered several plausible explanations for the failure of the Cambridge-Somerville project on preventing youth from going down a criminal path.What was one explanation that was suggested?

A) The project did not include a control (comparison) group.
B) Community sources of help (e.g., social services organizations) did not provide typical levels of support.
C) Problems of attrition-the least delinquent-prone boys dropped out-biased the outcomes in a negative direction.
D) The absence of a long-term follow-up meant that more subtle beneficial outcomes that might eventually emerge could not be examined.