Which of the following is the most credible source for an essay on the causes, effects, and risks of concussions
in sports?
An interview with a sports celebrity whose personal cause is to reduce sports-related concussions.
An interview with a high-school football coach who reviews his school's concussion protocol.
An article analyzing research studies on sports-related concussions from an athletic training profession
peer-reviewed journal.
O An inquiry made to a popular consumer medical reference website on football and concussions.