2x3 ANOVA interaction no longer significant after including a covariate?
91166
Why is ANOVA interaction no longer significant after including a covariate?
85035
Can ANOVA be significant when none of the pairwise t-tests is?
69826
Removing intercept from GLM for multiple factorial predictors only works for first factor in model
151995
Why are effect size estimates (such as $R^2$) difficult in mixed-effects models?
22754
"matrix is not positive definite" - even when highly correlated variables are removed
39879
Should I remove non-significant variables from my regression model
13616
Removal of statistically significant intercept term increases $R^2$ in linear model
135207
Repeated ANOVA unbalanced data
57827
How can I explain the intuition behind ANOVA?
87528
Interpreta​tion of main effect when interactio​n term is significan​t (ex. lme)
3046
Practically speaking, how do people handle ANOVA when the data doesn't quite meet assumptions?
122659
$R^2$ for mixed models with multiple fixed and random effects
71727
Calculating and interpreting effect sizes for interaction terms
109405
Is a "split plot" ANOVA with two factors the same as two-way ANOVA with repeated measures in one factor?
43351
ANOVA assumption normality/normal distribution of residuals
102771
The main effect will be non-significant if the interaction is significant?
52242
Interpreting coefficients of an interaction between categorical and continuous variable