A study showed that low intensity shock therapy reduces pain levels in patients with lupus.  during each session electrodes are placed on the plain sight indicated by patient. Pain reduction was measured through self reporting after each session. Another city is being designed to examine whether low intensity shock therapy all services pain and patient suffering from bulging discs in the thoracic region of the back.  another study is being designed to examine whether low intensity shock therapy all services pain and patient suffering from bulging discs in the thoracic region of the back. 200 female patients are subjects in the new study. Part A: what is an appropriate design for the new study? include treatments used, method of treatment, and variables that should be measured. Part B:  if the study consisted of 100 male and 100 female patient instead of 200 female patients would you change the study design? if so how would you modify or design? if not why not? Part C: could you design double blind? Explain.