which method is better to random select schools who is best to randomly select a school and compare to control and treatment groups when we compare a control and a treatment group what is the best method of research which of the following is better how to randomize a school what is the best way to compare a random group to a controlled group in social science? can school districts conduct random random sampling does it really need a random control group for math research do we really need a random control group why do we need a random control group in social work studies which study would compare the control group with the treatment group? when do we really need a random sample control group and test the effect of a blind experiment do you actually need to compare treatment to control why randomize a school to a treatment group do we need a random controlled trial what design to use for the randomization of the school population? do you have to have a random sampling for a controlled trial? why is a controlled trial a better design why do we need a control group in social science when do we need a control group for a blind control