The observer effect
It is related to how a behavior changes due to the fact that is being observed (so observing disturbs the system).
That's something to take into consideration at several situations. When dealing with complexity: 202111022346 An overly simple definition of complexity according to systems theory When trying to deal with habits: 202111111403 Trigger, behavior, result. AKA The habit loop and 202111172346 RAIN for self-awareness