Concepedia

Efficacy of an internet and app-based gratitude intervention in reducing repetitive negative thinking and mechanisms of change in the intervention's effect on anxiety and depression: Results from a randomized controlled trial

Hanna Heckendorf, Dirk Lehr, David Daniel Ebert, Henning Freund

Behaviour Research and Therapy · 2019 · 67 citations · 45 references

DOI

Concepts

References

45

The CES-D Scale

Lenore Sawyer Radloff · Applied Psychological Measurement · 1977 · 52.6K citations · Full text

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Missing data: Our view of the state of the art.

Joseph L. Schafer, John W. Graham · Psychological Methods · 2002 · 10.7K citations

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Clinical significance: A statistical approach to defining meaningful change in psychotherapy research.

Neil S. Jacobson, Paula Truax · Journal of Consulting and Clinical Psychology · 1991 · 8K citations

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Clinical significance: A statistical approach to defining meaningful change in psychotherapy research.

Neil S. Jacobson, Paula Truax · Journal of Consulting and Clinical Psychology · 1991 · 7.5K citations

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The Insomnia Severity Index: Psychometric Indicators to Detect Insomnia Cases and Evaluate Treatment Response

Charles M. Morin, Geneviève Belleville, Lynda Bélanger et al. · SLEEP · 2011 · 4.4K citations · Full text