how to test moderating variables in statistics why should you use an interaction graph when assessing the effect of a moderating variable why should a moderating variable be graphed what is the difference between graphing and further testing what is the difference between graphing interaction and further testing when should data be tested by a graph why do i need to test my effect graph why is it necessary to test the pattern in a graph when can you test whether interaction is statistically significant? why would you want to test if a relationship is significant when should data be graphed what would the difference between the graph and subsequent significance testing? what should the graph show why is it necessary to test the effect of the moderating variable what is the graph for moderating variable when to test a graph for moderating effect why should the moderating variable be graphed why is further testing necessary what is meant by graphical moderation graph