CASE INCIDENT 1: Negative Aspects of Collaboration? Throughout this chapter we've discussed ways that groups can perform well or perform poorly, which leaves an overriding question: are the negative aspects of collaboration so severe that we should avoid making decisions and working in groups? Groups and teams need more time to process multiple piece of information and coordinate what they know. Daniel Kaheman and colleagues also warn that when committees and groups make recommendations, they've often "fallen in love" with a particular idea and are no longer thinking ration ally. These problems of heuristics and biases (introduced