Focus group data that reflect the collective notions shared and negotiated by a group are ______________.

A) collective brainstorms
B) group data
C) synergistic group effects
D) group think

Focus group data that reflect the collective notions shared and negotiated by a group are referred to as group data. It represents the opinions, beliefs, views, and attitudes of the group as a whole, rather than those of individual participants. The other options do not accurately describe the nature of focus group data. Collective brainstorms imply a free-flowing exchange of ideas but do not capture the group's negotiated perspectives. Synergistic group effects suggest a positive outcome resulting from group interaction but do not take into account the specifics of the data generated. Groupthink, in contrast, is a phenomenon where group members conform and suppress dissenting viewpoints, leading to poor decision-making. It is not desirable and should be avoided.