Studies are one of those things: you always have to understand the context before drawing conclusions.
I recently stumbled across a study by Ethan Bernstein and Stephen Turban - two academics from Harvard Business School - who concluded that people in open-plan offices communicate less openly (and more by email instead).
The reason seems clear: people don't want to expose themselves to others with their statements.
Here comes my diagnosis: If you have this problem (that people are afraid to open up to their colleagues), we have a real problem with culture. And open-plan offices simply disclose this (similar to how the reduction of inventories reveals problems in production).
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