Diagnostic Interview Schedule-Reply

In Reply. — It was good to read that Drs Ganguli and Saul have been using the DIS for new purposes—to study the recognition and management of depressive disorders in the medical care sector. Of course, we are also pleased that they consider it the best completely structured interview available. They cited the previous letter from Dr Endicott that questioned whether the tests we conducted pertained to validity as well as reliability. We believe we answered that in our response to Dr Endicott's letter, and they did not attempt to rebut our response. In brief, the clinical interview recommended by Dr Endicott as a validation tool would have to use the same diagnostic criteria (eg, DSM-III) as the DIS to serve as a reasonable yardstick by which to evaluate the DIS. At that time (and indeed still), there was no such standardized