"Fewer than three Development Team members decreases interaction and results in smaller productivity gains...Having more than nine members requires too much coo

"Fewer than three Development Team members decreases interaction and results in smaller productivity gains...Having more than nine members requires too much coordination." - Scrum Guide, page 6 Source: http://www.scrum.org/Portals/0/Documents/Scrum%20Guides/Scrum_Guide.pdf http://www.scrum.org/Portals/0/Documents/Scrum%20Guides/Scru...