Apsychologist is interested in looking at the effectiveness of a new computer program in students learn math. she decides to test this new program with a group of middle school students. at this particular school, the boys and girls tend to be disruptive when they are in the same classroom, so she decides to run them separately in the experiment. she creates a group of boys who use the computer program four times per week. she creates a group of girls who do not use the computer program to serve as a comparison group. this experimental design is flawed because gender is a(n)/28722273/exp-psych-ch-5-review -flash-cards/