[Answered]: Research question – Amyotrophic lateral sclerosis…

Research question – Amyotrophic lateral sclerosis (ALS) is a rare neurologic condition that is associated with a progressive loss of motor neurons that leads to death in most patients. Which would be the least beneficial/most problematic associated with a case control designed study? You can get a sense of whether there are any geographical factors that may increase the risk for the condition. You can get a sense of whether there are any lifestyle factors that may increase the risk for the condition. You can ask people with the condition, what they think caused the condition. It is cost effective. You are finding people with the condition. Therefore, you do not need to get as many subjects (compared to a cross-sectional design or cohort design).