Public Opinion Quarterly · 1975 · 12 citations · 0 references
EducationSociologyGeneralizability TheoryPsychometricsScale DevelopmentLikert Scale ConstructionMeasurement ErrorMeasurement PrecisionMeasurement ValidityRating Scale DevelopmentTest ReliabilityAnchored ScalesGuttman ScalingInternal Consistency ReliabilityPsychometric ScalingScale DiagnosticsScale ValidationScale ValidityStandard Errors Of Measurement
This article suggests corrected formulas for the amount of possible error in a Guttman Scale of dichotomous items. The effect of the formulas on the evaluation of Guttman scales is shown by comparing coefficients reported in previously published articles with coefficients recomputed according to the new formulas.