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Journal of Educational… | 1 |
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Harnqvist, Kjell – Journal of Educational Psychology, 1978
Ability test scores were decomposed into district, class, and individual components. First-order factor analyses at the individual level showed the usual Primary Mental Abilities test pattern. Second-order analyses grouped the primary factors into one power and one speed factor. Decomposition of variances in multilevel educational research is…
Descriptors: Classroom Research, Data Analysis, Educational Research, Elementary Secondary Education