Proceedings of the Royal Society of Edinburgh Section A Mathematical and Physical Sciences · 1942 · 58 citations · 7 references
EducationEducational AssessmentEducational MeasurementDifferential Item FunctioningItem Response TheoryPsychometricsAbility EstimationFactor AnalysisFactor ModelsLatent Trait ModelingPsychological TestingTest TheoryCorrelation Of Test ScoresCross-group Factor ComparisonsFactor Analysis Of IntelligenceFactor Score EstimationMultiple Factor TestsStandardized Test ScoresStatistical Factor Models
Summary 7. A method of factor estimation is given in which assumptions are made only about the form of the error distributions of the tests administered. This is compared with a method previously suggested in which, on the contrary, the test scores and the individual factor measurements were assumed to be normally distributed over the population of individuals tested. A comparison is also made with other processes at present in use.
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