I'm testing linear and curviliear effects of one continuous IV in another continuos DV.
I've centered the IV (IVc) and squared it (IVcsq) and my results are:
B Std. Error Beta t Sig.
IVc -1,523 ,438 -,276 -3,478 ,001
IVc -,635 ,562 -,115 -1,131 ,260
IVcsq -,669 ,272 -,250 -2,462 ,015
I'm having diffiulties interpreting these results, because there is linear effects significant at p=0.001 and a curvilinear effects significant at p<0.015.
Thus this mean that the effect is linear or curvilinear?
Thank you all for your help,
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