) In a recently published article authors reported on their research examining the effectiveness of compound C-4277, an anti-viral agent. This agent was tested to determine its impact on rhinoviruses, which are the leading cause of common colds. The article states that 1,800 subjects with colds were treated with vitamin C and C-4277. Within 5 days, 95% of the subjects reported no cold symptoms. The authors conclude that these results demonstrate the effectiveness of the medication. Does it demonstrate effectiveness? Why or why not ? (list and explain at least 3 reasons for your answer)