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

Statistical power analysis for the behavioral sciences

1990 • 65,781 citations

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

1970 • 2,463 citations

Meta-analysis of psychotherapy outcome studies.

1977 • 2,133 citations

Handbook of psychotherapy and behavior change: An empirical analysis

1971 • 1,149 citations

Research in psychotherapy.

1962 • 726 citations

Factors influencing the outcome of psychotherapy: A review of quantitative research.

1971 • 515 citations

Target Complaints as Criteria of Improvement

1966 • 465 citations

Clinicians' Judgments of Mental Health

1962 • 460 citations

Psychotherapy change measures

1978 • 235 citations

Predicting the Outcome of Psychotherapy

1980 • 183 citations

Some empirical and conceptual bases for coordinated research in psychotherapy: a critical review of issues, trends, and evidence.

1969 • 175 citations

Schizophrenia—A Follow-up Study of Results of Treatment

1976 • 158 citations

Correlational Methods in Research on Human Learning

1962 • 122 citations

Dimensions of outpatient neurotic pathology: Comparison of a clinical versus an empirical assessment.

1970 • 103 citations

Planning of Research on Effectiveness of Psychotherapy

1970 • 99 citations

Psychotherapy experience in retrospect: Questionnaire survey of former patients and their therapists.

1964 • 94 citations

Clinicians' judgments of mental health: specimen case descriptions and forms for the health-sickness rating scale.

1975 • 86 citations

What is "success" in psychotherapy?

1972 • 81 citations

Method factors in changes associated with psychotherapy.

1963 • 71 citations

Are psychotherapeutic changes predictable?

1964 • 57 citations

Relationships among diverse measures of psychotherapy outcome.

1975 • 47 citations

Clinicians' Predictions of Outcome of Psychotherapy: A Trial of a Prognostic Index

1972 • 36 citations

The problem of intersource consensus in measuring therapeutic outcomes: New data and multivariate perspectives.

1975 • 34 citations

What Is Success

1972 • 20 citations

Perennial mystery of poor agreement among criteria for psychotherapy outcome.

1971 • 18 citations

A source of data is not a measuring instrument.

1975 • 18 citations