people's opinion about group working outside of class

Home work for Act.24


tough to cordinate time especially
tough to communicate with people
annoying
time-consuming
difficult
the member affect the result of activity a lot
the opposite sex members also difficult to get along with
too much numbers of member is difficult to do task.
one can not be absent from class because other members exist.

The person's name who ssaid these are
not be open because of privacy...^^