Critical thinkers generate as many reasonable explanations of the topic at hand as possible before settling on the most likely one

_____ refers to the total number of individuals with a disorder at a specified moment in time.

a. incidence rate b. observational epidemiology c. point prevalence d. lifetime prevalence

One factor that has accounted for a reduction in football injuries since 1976 is the outlawing of

A. unpadded football helmets B. "spearing," or using the helmet as a weapon C. "head butting" after a point is made D. attacking the quarterback when the play is dead E. infringing on the punter during a punt