experimenter bias
- noun
- Specialized
:
sesgo del experimentador
- Researchers need to be aware of experimenter bias, which can affect how participants respond during a study.
- possible experimenter bias
Examples
-
To minimize experimenter bias, the scientists implemented blind testing methods throughout the experiments.
-
Nonetheless, experimenter bias cannot be ruled out.
Academic text (2015) -
Can the present results be attributed to experimenter bias?
Academic text (1995) -
The purpose of this procedure was to help control for possible experimenter bias when performing the acoustic analysis.
Academic text (2012) -
Another limitation is possible experimenter bias, as the investigator administered the CWS intervention to all of the participants.
Academic text (2015) -
The author did not administer any of the questionnaires, eliminating the possibility of any experimenter bias that may have existed.
Academic text (1996) -
Second, in an effort to control for possible experimenter bias effects, the subjects, who were tested together in small groups, were randomly assigned to neutral, elating, or depressing tapes.
Academic text (1995) -
Because of this potential problem, we explained to assessors that experimenter bias could undermine an otherwise very carefully planned study (e.g., Rosenthal & Rosnow, 1984).
Academic text (2013) -
To avoid experimenter bias, the experimenter sat behind the participant, and a standardized audiotaped protocol provided all instructions regarding the cold pressor portion of the study.
Academic text (2005) -
Under more ideal circumstances, assessors would be blind to condition; therefore, we took steps throughout the project to remind staff that the purpose of the study was to learn which condition was more effective and to caution them that experimenter bias could undermine an otherwise very carefully planned study (e.g., Rosenthal & Rosnow, 1984).
Academic text (2014)
Antonyms
How Biased
130
5.5
- Specialized
- Specialized
261
5.2
11
5.3
22
4.4
Surface Forms
Morphology
The meaning is transparently built from 'experimenter' (the person running an experiment) + 'bias' (a prejudice or systematic distortion), so a learner who knows both words can infer 'bias introduced by the experimenter'. This noun–noun composition is a regular, compositional pattern (cross-linguistically common), making the MWE predictable for B1 learners who understand 'bias' in a research context.
Etymology
Experimenter bias comes from the image of the person running a test (the experimenter) giving tiny clues—like a smile or a look—that push the outcome one way. So, when the experimenter expects a result, their behaviour can 'influence' participants and create a bias in the study.