Concepedia

The Reflux Disease Questionnaire: a measure for assessment of treatment response in clinical trials

Michael Shaw, John Dent, Timothy J. Beebe, Ola Junghard, Ingela Wiklund, Tore Lind, Folke Johnsson

Health and Quality of Life Outcomes · 2008 · 153 citations · 12 references

DOIFull text

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References

12

Statistical power analysis for the behavioral sciences

Computers Environment and Urban Systems · 1990 · 65.6K citations

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Coefficient Alpha and the Internal Structure of Tests

Lee J. Cronbach · Psychometrika · 1951 · 42.3K citations · Full text

Measurement of health status

Roman Jaeschke, Joel Singer, Gordon Guyatt · Controlled Clinical Trials · 1989 · 4.8K citations

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Effect Sizes for Interpreting Changes in Health Status

Lewis E. Kazis, Jennifer J. Anderson, Robert F. Meenan · Medical Care · 1989 · 2.4K citations

, , +13

Endoscopic assessment of oesophagitis: clinical and functional correlates and further validation of the Los Angeles classification

Lars Lundell, John Dent, J R Bennett et al. · Gut · 1999 · 2.3K citations · Full text

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