What is the advantage of measuring the dependent variable on all the subjects in an experiment at the start and assigning them by matching on those pretests and randomly assigning one of each pair to each group? Question 7 options: It increases the validity of the study by alerting subjects to the focus of the study. It is the way that best assures that the two groups start the same on the dependent variable before the intervention. There is no benefit to doing this. It allows the researcher to test the validity of the measure of e dependent variable