A structured pictorial questionnaire to assess DSM-III-R-based diagnoses in children (6–11 years): Development, validity, and reliability

Coefficient Alpha and the Internal Structure of Tests

Lee J. Cronbach · Psychometrika · 1951 · 43.2K citations · Full text

Social Sciences, Educational Assessment, Educational Measurement +14

A Coefficient of Agreement for Nominal Scales

Jacob Cohen · Educational and Psychological Measurement · 1960 · 41.3K citations

Education, Educational Assessment, Educational Measurement +8

Intraclass correlations: Uses in assessing rater reliability.

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

Social Sciences, Psychology, Individual Differences +14

Weighted kappa: Nominal scale agreement provision for scaled disagreement or partial credit.

Jacob Cohen · Psychological Bulletin · 1968 · 8.5K citations

Education, Educational Measurement, Psychology +11

Measuring nominal scale agreement among many raters.

Joseph L. Fleiss · Psychological Bulletin · 1971 · 8.5K citations

Education, Educational Assessment, Educational Measurement +13