Examlex
Each of the following is a relational algebra function except
Experimenter Bias
The influence of the researcher's expectations or personal beliefs on the outcomes of an experiment.
Subject Bias
A tendency for participants in research to respond or behave in a certain way because they are aware they are being studied.
Confounds
Variables that are external to the experimental design itself and can affect the results, thereby casting doubt on the reliability of the conclusions.
Selection Bias
A distortion in statistical analysis resulting from the method of collecting samples.
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