Netter Beitrag zur Frage, warum man konzentrierte Bildschirmarbeit(er) nicht unterbrechen sollte, am Beispiel von Software Entwicklern:
Why developers hate being interrupted · Belfast · The Tomorrow Lab.
…The thing about this mental model is that it takes about an hour to build up from a cold start (first thing in the morning, after lunch or after a meeting). Thankfully that’s not the case after a five minute interruption from a boss or account manager. In that case it takes 10-15 minutes before a developer is back “in the zone” with a repaired mental model and ready to write some more code…
Alternatives Erklärungsbild: http://i.imgur.com/3uyRWGJ.jpg