Hi Yuta, Exactly, the first two contrasts were not needed. The others aren't expected to change: each contrast operate separately from the others. All the best, Anderson On 3 January 2016 at 03:18, Yuta Aoki < [log in to unmask]> wrote: > Hi Anderson, > > I appreciate your swift response. > I have redone the analysis with deleting the first two contrasts, baed on > your comment. > The results are exactly same as the previous one. > > Thank you so much again for your response. > > Best, > Yuta >