Indicate how a focus group moderator should handle each of the following cases:
(a) a participant is loud and dominates the conversation;
(b) a participant is obviously suffering from a cold and goes into coughing fits every few minutes;
(c) two participants who, it turns out, are acquaintances persist in a private conversation about their children; and
(d) the only minority representative participant in the focus group looks uncomfortable with the group and fails to make any comments.