Table 1.
Source | DF | Type I SS | Mean square | F value | p |
---|---|---|---|---|---|
Maternal treatment | 1 | 0.07183249 | 0.07183249 | 0.10 | 0.7515 |
Time | 2 | 22.41042515 | 11.20521258 | 15.69 | <.0001 |
Social environment | 1 | 22.04691896 | 22.04691896 | 30.87 | <.0001 |
Sex | 1 | 10.24221408 | 10.24221408 | 14.34 | 0.0002 |
Date | 1 | 7.17508595 | 7.17508595 | 10.05 | 0.0018 |
Maternal treatment * Time | 2 | 4.38936628 | 2.19468314 | 3.07 | 0.0490 |
Date was included in the model as a covariate and did not significantly interact with any of the class variables (i.e. p > 0.05 for all interactions). Interactions that were not significant (i.e. p > 0.05) in the full model were stepwise-removed until only significant interactions remained.