gradual step-by-step alterations over time in the observations and documenting of observations made by a specific viewer.

OBSERVER DRIFT: "Observer drift is more likely to occur in lengthy experiments where the observer may be able to gauge for themselves after awhile what is being measured and postulate and idea as to what direction they think the study is going."
Cite this page: N., Pam M.S., "OBSERVER DRIFT," in, April 7, 2013, (accessed May 10, 2021).