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.

themselves

an intensive pronoun is a pronoun that ends in self or selves, such as himself, herself, themselves, yourself, ourselves. since band members is a third person plural, the correct intensive pronoun would be themselves. if the band was talked about as a collective noun, itself would be the appropriate intensive pronoun. intensive pronouns are used to add emphasis to the noun it's modifying which is why it directly follows it.

the universe is complete credible source of our oxygen