Graham Pluck

2 Questions 22 Answers 0 Followers

Questions related from Graham Pluck

Factorial ANOVA Main Effects, why do they produce different results to the equivalent in one-way ANOVA?

Why do main effects in a factorial ANOVA have different results compared to when the factors are analysed separately with one-way ANOVAs? For example when I analyse two binary factors separately...

03 March 2018 2,001 4 View

Age adjustment of data with linear regression and then a transformation of the residuals. Is that valid?

I want to adjust a normative set of cognitive data so that differences in scores related to age are removed. I thought that if I performed a linear regression of the cognitive data (as dependent...

05 May 2016 1,705 2 View