A. A study found that playing certain games give more confidence. B. Failure in school usually means a poor grade and a feeling of defeat.
C. McGill university on the effect of video games on users' self esteem.
D. Video games have benefits in the classroom besides grabbing students' interest.

If you want more points for this question look at the first version of this question (i am asking for the answer 3 times so look for the 1st time). Worth 20 points for the 1st one.