Hi Christine:
One of the concerns regarding awarding EC is that it almost always is subjectively awarded or granted by the instructor. I know the last thing any teacher wants is an (incorrect) accusation of favortism or being unfair. Good students who do all their assigned work sometimes feel it's not fair for students who don't get all of their assignments completed, but are given the chance to get extra credit to make up the difference. Too much, and it'll skew the whole grading system.
I know extra credit works and can understand teachers who elect to use it. I… >>>