Behavior Therapy · 2019 · 21 citations · 54 references
MedicineBehavioral SciencesPsychiatryBehavioral HealthCommunity PsychiatryPsychometricsMental HealthSleep AssessmentSleep DisturbanceSleep HealthSleep PhysiologySleep-wake DisordersCircadian Rhythm AssessmentMental Health Community CareSleep Disturbance SeveritySleep Quality AssessmentSleep Symptom AssessmentSleep-wake Cycle MonitoringSleep-wake Disorder DiagnosisSleep-wake Rhythm Measurement
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An Index of Factorial Simplicity
Henry F. Kaiser · Psychometrika · 1974 · 14.2K citations
The Scree Test For The Number Of Factors
Raymond B. Cattell · Multivariate Behavioral Research · 1966 · 13.5K citations
Social Sciences, Behavioral Sciences, Item Response Theory +12
A Rationale and Test for the Number of Factors in Factor Analysis
John L. Horn · Psychometrika · 1965 · 8.6K citations