… I've seen how groups of people act differently at different sizes. As I discussed in my previous blog post on Group Thresholds …, there are pros and cons associated with different group sizes. However, the smallest group that I spoke of in that article was the 'working team size', which is a group of four to nine members (but ideally about seven). I didn't talk about groups consisting of less than four members-specifically dyads (a group of two people) and triads (a group of three people) ... .
Via Peter B. Sloep