Suppose that a group is assigned a group presentation for a class. Group members briefly discuss to divide up the content, and then each individual researches and writes his or her portion of the presentation. They also each contribute slides to a unified PowerPoint presentation. They deliver the presentation to the class, which is the first time they've heard each other's content. Overall, how has the group approached the project? As a disjunctive task As an additive task As a conjunctive task