A researcher summarizes her results of research into the use of a specific type

Question

A researcher summarizes her results of research into the use of a specific type of inhaler for asthma sufferers as follows: 'predictors significantly favored inhaler use (adjusted R2= .38; p = .015). Inhaler A was the strongest predictor of improved breathing ( = .39; p = .001) followed by inhaler B ( = .28; p = .0015)'. Which of the following would be the best interpretation of the variables in relation to these results? Question 7

options: 1) 39% of the variation in inhalers

2) 28% of the variation in inhalers

3) 38% of the variation in inhalers

4) None of the above

Explanation / Answer

Adjusted R2 tells how much variation in data is explained by variables. When inhalers are in model as predictors, 38% of variation is explained by inhalers,or other way 38% variation us in inhalers.

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