Or an alternative is too just lock a class up for 3 days in a library while they write their essays (with not internet). Take home assignments are usually a me

Or an alternative is too just lock a class up for 3 days in a library while they write their essays (with not internet). Take home assignments are usually a mess - what I did was to force people to write tests. If there are 3 people in a group and only one is working - it will also come out.