Answer: inaccurate observation
Explanation:
Inaccurate observations occurs when someone doing the observation makes incorrect report of what they actual observed.
This error is more prevalent when we are not paying fully attention to what we are observing.
We are humans and sometimes we get distracted by something that may take our eyes away for a moment or because our mind is thinking about something else and in observation research if one takes their eyes of they can miss out on some aspect that are crucial part of the observation.