Measuring the outcomes of psychotherapy: Findings of the Penn Psychotherapy Project.

Statistical power analysis for the behavioral sciences

Computers Environment and Urban Systems · 1990 · 65.7K citations

Public Health, Behavioral Sciences, Biostatistics +14

How we should measure "change": Or should we?

Lee J. Cronbach, Lita Furby · Psychological Bulletin · 1970 · 2.5K citations

Education, Educational Assessment, Educational Measurement +12

Meta-analysis of psychotherapy outcome studies.

Mary Lee Smith, Gene V. Glass · American Psychologist · 1977 · 2.1K citations

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Target Complaints as Criteria of Improvement

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Clinicians' Judgments of Mental Health

Lester Luborsky · Archives of General Psychiatry · 1962 · 462 citations

Social Sciences, Psychology, Clinical Psychology +6