The proof of such studies is independent replication. The problem is that such studies are expensive and the independent replication may differ from the original study in important ways.
The discussion in one of the law blogs devoted considerable attention to the issue of true economic status of the client (were they really indigent). Caseload is also an important factor my wife and I have observed several counties where the case load was so high the PD client conference took place an hour before the hearing where the case was decided. Under such circumstances the PD is doing plea bargaining exclusively.
Make a new account