Reliability and Validity
Statistical Analysis: Overview
Ratio Level of Measurement
Measures of Central Tendency
Variability: Analysis
Uncertainty in Measurement: Accuracy and Precision
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Updated: May 19, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Holly A George1, Shelly L Davis, Cynthia F Mitchell
1Value Performance, Measurement and Patient Safety Department at Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA. holly.a.george@hitchcock.org
Improving healthcare quality data is crucial. An interrater reliability process for data abstraction using Centers for Medicare and Medicaid Services core measures reduced variability and enhanced data accuracy.
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