EXPERIMENTER EFFECT
One of 2 errors. (a) errors from the experimenter, (b) the bias from effects of the participants. See experimenter bias-…
EXPERIMENTER EXPECTANCY EFFECT
Where the experimenter expects certain results and causes errors in research.
EXPERIMENTER INTERPRETER EFFECT
The error resulting from the bias of the researcher interpreting the results.
EXPERIMENTER MODELING EFFECT
A systematic error where participants in research act closely to the way the experimenter would respond.
EXPERIMENTER OBSERVER EFFECT
An error by the investigator in the perception or recording of data.
EXPERIMENTER PSYCHOSOCIAL EFFECT
The unintended effect on a person's rsponses associated with individual differences of psychological and social characteristics of the experimenters.
EXPERT POWER
The capacity to influence others deriving from the assumption that the influencer has superior skills. See power.
EXPERT SYSTEM
A program using explicit representation of human knowledge. Also called knowledge based system.
EXPERT TESTIMONY
Evidence given by an expert witness in court. See opinion testimony- ultimate opinion testimony.
EXPERT WITNESS
The person qualified to give evidence of a scientific nature or a professional matter.
EXPERT-NOVICE DIFFERENCES
The difference between a skilled worker and a non-skilled worker.
EXPIATORY PUNISHMENT
A punishment to the wrongdoer who is made to suffer in proportion to the severity of wrongdoing. Compare reciprocal punishment.