Software development is a highly abstract process that requires intense concentration. The authors show that interrupting this process can significantly reduce a developer's efficiency and can even contribute to project delays.
Citation:
Rini van Solingen, Egon Berghout, Frank van Latum, "Interrupts: Just a Minute Never Is," IEEE Software, vol. 15, no. 5, pp. 97-103, Sep./Oct. 1998, doi:10.1109/52.714843