Objective sleep and physical activity using 24-hour ankle-worn accelerometry among toddlers from low-income families

The Measurement of Observer Agreement for Categorical Data

J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 76.3K citations · Full text

Engineering, Generalizability Theory, Diagnosis +20

A Coefficient of Agreement for Nominal Scales

Jacob Cohen · Educational and Psychological Measurement · 1960 · 40.1K citations

Natural Language Processing, Engineering, Language Corpus +6

National Sleep Foundation’s sleep time duration recommendations: methodology and results summary

Max Hirshkowitz, Kaitlyn Whiton, Steven M. Albert et al. · Sleep Health · 2015 · 4.1K citations

Sleep Medicine, Sleep Health, Sleep +12

Activity-Based Sleep-Wake Identification: An Empirical Test of Methodological Issues

Avi Sadeh, Melinda S. Sharkey, Mary A. Carskadon · SLEEP · 1994 · 1.5K citations

What are Health Disparities and Health Equity? We Need to Be Clear

Paula Braveman · Public Health Reports · 2014 · 845 citations