Focus Group explanation

everything about focus group..for those who are doing focus group, have a look on the explanation of it...

http://www.fhi.org/NR/rdonlyres/exojqw6qwz2dfbxk2rdix3dmwzr5i4eviuqzhlu2qk25eabfd6tyttmnmqmo6epkn7mecnva7bw5bh/focusgroups1.pdf