In the April 2014 edition of the 360 Magazine by Steelcase, is this diagram of how people spend their time at work. The research data is based on a collection of Steelcase studies.

My takeaways:
– confirms my perspective that most collaboration is in small group settings, and thus the centrality of supporting individuals and small groups of people to be effective in collaboration.
– highlights that the majority of collaboration is informal and unstructured, rather than in “formal meeting settings.” If you want to encourage collaboration, make space / room in physical and virtual spaces for people to work together outside of a meeting.

See: What Workers Want, pages 28-29 in the PDF