In contrast to a main effect, which is the effect of a variable averaged across levels of another variable, the simple effect of a variable is the effect of the variable at a single level of another v...In contrast to a main effect, which is the effect of a variable averaged across levels of another variable, the simple effect of a variable is the effect of the variable at a single level of another variable. The \(p\) value for the interaction is \(0.8043\), which is the probability of getting an interaction as big or bigger than the one obtained in the experiment if there were no interaction in the population.
