David A. Vermeersch

The Reliability and Validity of the Outcome Questionnaire

Michael J. Lambert, Gary M. Burlingame, Val Umphress et al. · Clinical Psychology & Psychotherapy · 1996 · 917 citations

Psychotherapy, Quality Of Life, Psychiatric Evaluation +17

Is It Time for Clinicians to Routinely Track Patient Outcome? A Meta-Analysis.

Michael J. Lambert, Jason L. Whipple, Eric J. Hawkins et al. · Clinical Psychology Science and Practice · 2003 · 571 citations

Patient Treatment Response, Family Medicine, Treatment Guidelines +22

The Effects of Providing Therapists With Feedback on Patient Progress During Psychotherapy: Are Outcomes Enhanced?

Michael J. Lambert, Jason L. Whipple, David W. Smart et al. · Psychotherapy Research · 2001 · 414 citations

Psychotherapy, Feedback Group, Mental Health +18

Therapist effects: facilitative interpersonal skills as a predictor of therapist success

Timothy Anderson, Benjamin M. Ogles, Candace L. Patterson et al. · Journal of Clinical Psychology · 2009 · 381 citations

Improving the effects of psychotherapy: The use of early identification of treatment and problem-solving strategies in routine practice.

Jason L. Whipple, Michael J. Lambert, David A. Vermeersch et al. · Journal of Counseling Psychology · 2003 · 366 citations

Psychotherapy, Client-focused Research Systems, Education +22