During her department's sometimes contentious weekly meetings, Izzy tries hard to respond positively to new ideas and to make everyone see that they agree more often than they disagree. In this group, Izzy's role can BEST be described as .

Group building and maintenance.

Explanation:

In 1947, Kenneth Ben and Paul Sheats developed a theory to understand the various roles played by people in a small group. These roles were divided into three broad categories namely task roles, building and maintenance roles, and self-centered roles.

In the given case, the role being played by Izzy is of group building and maintenance. The Group Building and maintenance roles are those roles that keep a group intact, build interpersonal relationships, and maintain harmony in the group; thus the name of the role: Building and maintenance.

Izzy is playing the role of building and maintenance by trying hard to keep the group intact by responding positively and ensuring that everyone else also respond the same.

So, the correct answer is the group building and maintenance.