In EXPERIMENTAL PSYCHOLOGY, the distorting effect of uncontrolled facts external to the EXPERIMENT, the most important being the CONSCIOUS or UNCONSCIOUS assumptions of the experimenter.
See EXPERIMENTER BIAS and ROSENTHAL EFFECT.
In EXPERIMENTAL PSYCHOLOGY, the distorting effect of uncontrolled facts external to the EXPERIMENT, the most important being the CONSCIOUS or UNCONSCIOUS assumptions of the experimenter.
See EXPERIMENTER BIAS and ROSENTHAL EFFECT.
