Reliability of the new freezing of gait questionnaire: Agreement between patients with Parkinson's disease and their carers

The Measurement of Observer Agreement for Categorical Data

J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 78.9K citations · Full text

Public Health, Biostatistics, Categorical Data Analysis +12

STATISTICAL METHODS FOR ASSESSING AGREEMENT BETWEEN TWO METHODS OF CLINICAL MEASUREMENT

J Martin Bland, DouglasG. Altman · The Lancet · 1986 · 47.6K citations

Natural Sciences, Biostatistics, Clinical Sciences +7

Intraclass correlations: Uses in assessing rater reliability.

Patrick E. Shrout, Joseph L. Fleiss · Psychological Bulletin · 1979 · 23K citations

Social Sciences, Psychology, Individual Differences +14

Akufo and Ibarapa

A H BECKETT, M ROWLAND, P TURNER · The Lancet · 1965 · 16.9K citations

Accuracy of clinical diagnosis of idiopathic Parkinson's disease: a clinico-pathological study of 100 cases.

Andrew Hughes, S. E. Daniel, Linda Kilford et al. · Journal of Neurology Neurosurgery & Psychiatry · 1992 · 10.4K citations · Full text

Medicine, Neurology, Pathology +15