Treatment is indicated in patients with Pagetâs disease of bone with elevations in serum alkaline phosphatase of two times or higher than the upper limit of the age-specific normal reference range, or those who are symptomatic, or those at risk for complications from their disease [see Clinical Studies (14.5)].
experimenter bias - (psychology) bias introduced by an experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants in the experiment. number of conclusions drawn from the reviewed studies were unfounded because the experimenters inferred causation from correlation, lacked standardized measures, had poor sampling procedures, failed to control for threats to validity, had very limited assessment of anxiety, had.
(psychol) the influence of an experimenter's expectations on his results. experimenter effect in Medicine. experimenter effect n. The influence of the experimenter's behavior, personality traits, or expectancies on the results of his or her own research.