You conduct an experiment for which you create the following

You conduct an experiment for which you create the following general linear model (GLM): ALGAE = CONSTANT + HERBIVORY + HEIGHT + HERBIVORY*HEIGHT. a. What does each of the terms of the model represent? ALGAE CONSTANT HERBIVORY HEIGHT HERBIVORY*HEIGHT b. You find a significant HERBIVORY*HEIGHT interaction term, but neither HEIGHT nor HERBIVORY are significant. Draw an interaction graph for this situation.

Solution

GLM(ALGAE) - represent dependent variable

constant represent the intercept

Herbivory and Height are the two independent variables.

Herbivory *Height represent the interaction term

b from the above results it is clear that both the variableds do not have effect on the model however when allowed to interact there is an effect on GLM(ALGAE)