Examlex
A psychologist concludes his method would be effective for teaching math to all third graders on the basis of testing it on a selected group of third graders with a control group for comparison.He is making use of
Stepwise Regression
An approach to constructing regression models where the selection of predictor variables is performed through an automated process.
Forward Selection
A stepwise regression approach where variables are sequentially added to an empty model based on their statistical significance in predicting the outcome.
Significant Contribution
An important or valuable addition or impact that significantly affects an outcome or process.
Stepwise Regression Technique
A method of fitting a regression model by adding or removing predictors based on a specified criterion.
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