Doreen is an excellent group member. At meetings, she always shares her research with other group members. Which task-oriented role does Doreen play?

The information-giver role.

Explanation:

Participating roles in group tasks are relevant to the function that the team agrees or has undertaken. Their goal is to promote and organize community efforts in the identification and description of a specific problem and in solving it. The information-giver provides the organization with innovative ideas. This person may be helping the team explore new and innovative ways to interpret or looking at a specific problem. as Doreen is doing in the question.

answer; the negotiator was not in full control of his or her actions and hence should not be held responsible;

answer; all over the above; //everybody