User stories allow customers to easily communicate desired specifications as part of Agile Software Development methods. When elicited from groups instead of individuals, the number of stories generated and the comprehensiveness of the stories is likely to increase. We present a 2 X 2 study design involving group vs. individual user story brainstorming with one or two sentence vs. unlimited user story length.
Read, Aaron; Gallagher, Erin; Nguyen, Cuong; and de Vreede, Gert-Jan, "Generating User Stories in Groups" (2009). MWAIS 2009 Proceedings. 29.