The authors of the article indicate there may have been a Hawthorne Effect in this study because the participants knew they were being observed after phase 1. If that is true, what might happen to correct handwashing once the observers are no longer at the site?

Read the following article to see how several researchers assessed the RR of nosocomial infections before and after a handwashing intervention. These concepts will make more and more sense to you as you see them used in actual clinical research. Chhapola, V., & Brar, R. (2015). Impact of an educational intervention on hand hygiene compliance and infection rate in a developing country neonatal intensive care unit. International Journal of Nursing Practice, 21(5), 486–492. doi:10.1111/ijn.12283