jozmell, christina, jordan, and melissa have been assigned a group project for a class. during the three weeks in which they developed and completed the project, jozmell, christina, and jordan did most of the work. melissa missed meetings, turned in inferior summaries of her assigned readings, and was quiet during brainstorming sessions. on the day of the project presentation, melissa did a good job of delivering her part of the presentation. for most of the project, melissa was engaging in what group process?