time efficient."
"it's much easier to come home and watch a 20 minute video late at night, than to do a whole problem set by yourself."
"it's nice to be able to work with other people who are learning while you are in class. sometimes they solve problems differently from you and it helps. it's comforting. before i used to just skip hard problems and not try them. now we use group solidarity to get through them together."
"i used feel embarrassed asking questions in front of the whole class, but now we're asking each other in small group. there's no pressure to understand it right away. we all work together."
"my dad has 