Concepedia

Penny-wise and pound-foolish: the impact of measurement error on sample size requirements in clinical trials

Diana O. Perkins, R J Wyatt, John J. Bartko

Biological Psychiatry · 2000 · 109 citations · 6 references

Concepts

Public HealthBiostatisticsExperimental DesignGood Clinical PracticePsychometricsClinical Trial DesignClinical TrialsEffect Size EstimationMeasurement ErrorSample SizeStudy DesignRequired Sample Size EstimationRisk Of Random ErrorSample Size CalculationSample Size JustificationSample Size ReductionTrial SamplingWithin-study Variance

References

6

The Design and Analysis of Clinical Experiments.

Michael Hills, Joseph L. Fleiss · Journal of the Royal Statistical Society Series A (General) · 1987 · 3.3K citations

Public Health, Biostatistics, Pharmacology +11

ON THE METHODS AND THEORY OF RELIABILITY

John J. Bartko, William T. Carpenter · The Journal of Nervous and Mental Disease · 1976 · 1.3K citations

Social Sciences, Psychiatry, Psychology +17

More Reliable Outcome Measures Can Reduce Sample Size Requirements

Andrew C. Leon · Archives of General Psychiatry · 1995 · 69 citations

Public Health, Biostatistics, Educational Measurement +17

Interrater reliability issues in multicenter trials, Part I: Theoretical concepts and operational procedures used in Department of Veterans Affairs Cooperative Study #394.

Kathlene Tracy, Lenard A. Adler, John Rotrosen et al. · PubMed · 1997 · 59 citations

Social Sciences, Psychiatry, Psychology +16

To increase power in randomized clinical trials without increasing sample size.

Kraemer Hc · PubMed · 1991 · 57 citations

Public Health, Biostatistics, Psychiatry +16