Why is it so difficult to measure the effects of interruptions in healthcare?

Farah Magrabi, Simon Y. W. Li, Adam G. Dunn, Enrico W. Coiera. Why is it so difficult to measure the effects of interruptions in healthcare?. In Charles Safran, Shane R. Reti, Heimar F. Marin, editors, MEDINFO 2010 - Proceedings of the 13th World Congress on Medical Informatics, Cape Town, South Africa, September 12-15, 2010. Volume 160 of Studies in Health Technology and Informatics, pages 784-788, IOS Press, 2010. [doi]

@inproceedings{MagrabiLDC10-0,
  title = {Why is it so difficult to measure the effects of interruptions in healthcare?},
  author = {Farah Magrabi and Simon Y. W. Li and Adam G. Dunn and Enrico W. Coiera},
  year = {2010},
  doi = {10.3233/978-1-60750-588-4-784},
  url = {https://doi.org/10.3233/978-1-60750-588-4-784},
  researchr = {https://researchr.org/publication/MagrabiLDC10-0},
  cites = {0},
  citedby = {0},
  pages = {784-788},
  booktitle = {MEDINFO 2010 - Proceedings of the 13th World Congress on Medical Informatics, Cape Town, South Africa, September 12-15, 2010},
  editor = {Charles Safran and Shane R. Reti and Heimar F. Marin},
  volume = {160},
  series = {Studies in Health Technology and Informatics},
  publisher = {IOS Press},
  isbn = {978-1-60750-588-4},
}