GMAT Critical Reasoning (CR) | Re: A recently published paper concludes that tenured professors or those

A recently published paper concludes that tenured professors or those on their way to tenure do not enhance student learning as much as lecturers outside the tenure system do. The researchers found that students taught by instructors outside the tenure system are more likely to take another class in the same subject and to receive better grades in the subsequent class than those who have been taught by tenured or tenure-track professors. However, this information does not demonstrate that non-tenured