Focus group is a structural guided meeting with sampled potential customers to determine their feedback about an upcoming product (or system) [2]. Typical session would take between an hour and two. Like brainstorming session, focus groups needs a moderator to lead the discussion about the product. To have a good results, the sampled group should represents the prospect users.
A business analysis book [2] suggested that the ideal focus group should contain between 6 to 12 people due to the non feasibility of large groups.
One major drawback of focus groups is that it depends heavily on the way moderator handles the groups discussion. People who participate might not share their true opinion when they discuss issues in the focus group.
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