experimenter effects


ex·per·i·ment·er ef·fects

the influence of the experimenter's behavior, personality traits, or expectancies on the results of that person's own research. See: double-blind study.

ex·per·i·ment·er ef·fects

(eks-per'i-men'tĕr e-fekts') The influence of the experimenter's behavior, personality traits, or expectancies on the results of that person's own research.