A new approach to the construct of alertness

The CES-D Scale

Lenore Sawyer Radloff · Applied Psychological Measurement · 1977 · 53.3K citations · Full text

Social Sciences, Psychiatry, Psychology +17

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 New Method for Measuring Daytime Sleepiness: The Epworth Sleepiness Scale

Murray W. Johns · SLEEP · 1991 · 17.2K citations · Full text

Medicine, Neurology, Psychometrics +16

Convergent and discriminant validation by the multitrait-multimethod matrix.

Donald T. Campbell, Donald W. Fiske · Psychological Bulletin · 1959 · 17.1K citations · Full text

Social Sciences, Educational Assessment, Educational Measurement +6

Reliability and Factor Analysis of the Epworth Sleepiness Scale

Murrayb W. Johns · SLEEP · 1992 · 2.1K citations · Full text

Medicine, Otolaryngology, Psychometrics +15