"main effects for" is a grammatically correct and usable phrase in written English.
Example: The study found significant main effects for the number of hours of sleep the participants got.
The results found main effects for perceived responsiveness and control.
Main effects for the experimental manipulations were not found.
The recreation equation has the strongest main effects for violent and property crimes, alike.
Fig. 1 Pareto charts of main effects for the factorial design.
P values represent the main effects for group in response times and hit rates.
Moreover, main effects for the positive/negative commentaries were stronger than main effects for the win/loss of the favorite team.
There were significant interactions between the two main effects for all three dependent variables.
One can also estimate main effects for exposures and now flexibly assess models for joint effects.
There was no interaction effect, but the main effects for height and instruction were significant (Table 1).
There was no significant interaction effect, but the main effects for height and instruction were significant (Table 1).
Main effects for day were statistically significant and there was a significant interaction concerning day by treatment group.
