With grade inflation there becomes an over-estimate of population parameter. While there are differences amongst each college and their course difficulty, grade inflation can still play a factor. For example, Harvard’s Dean of Undergraduate Education concluded that their median grade was an A-. This can potentially be because of the lurking variable that students at Harvard are more likely to be more motivated and therefore more successful in their studies to excel in their courses, or it could even be influenced by grade inflation. Therefore, this would then decrease Harvard’s internal validity of the number of A’s received due to the
With grade inflation there becomes an over-estimate of population parameter. While there are differences amongst each college and their course difficulty, grade inflation can still play a factor. For example, Harvard’s Dean of Undergraduate Education concluded that their median grade was an A-. This can potentially be because of the lurking variable that students at Harvard are more likely to be more motivated and therefore more successful in their studies to excel in their courses, or it could even be influenced by grade inflation. Therefore, this would then decrease Harvard’s internal validity of the number of A’s received due to the