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Evaluation in Education: An…

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Noonan, Richard	1
Wold, Herman	1
Wolfle, Lee M.	1

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A Method for Estimating Indirect Effects in Path Analysis.

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Wolfle, Lee M. – 1982

Direct and indirect effects in decomposed zero-order correlations among variables in causal models are considered. Under certain circumstances, the components of the decompositions could be interpreted as direct, indirect, and spurious causal effects, plus a component called joint associations. The sum of the direct and indirect effects is the…

Descriptors: Elementary Secondary Education, Estimation (Mathematics), Mathematical Formulas, Mathematical Models

Evaluating School Systems Using Partial Least Squares.

Noonan, Richard; Wold, Herman – Evaluation in Education: An International Review Series, 1983

Tries to develop a method for empirical evaluations of the impact of a school system on measurable cognitive and affective outcomes in students. Concentrates on the Partial Least Squares (PLS) methodology, and illustrates the potential of PLS for system analysis. (BW)

Descriptors: Academic Achievement, Data Analysis, Elementary Secondary Education, Evaluation Methods