Examlex
Allopolyploidy is a significant factor in the evolution of which type of organism?
Masking
A method used in research where the participants and/or researchers are unaware of which individuals are in the control group and which are in the experimental group, to prevent bias.
Confounding
A situation in which the effect of two variables on a third is not clearly distinguishable.
Validity
The accuracy with which a study reflects the true situation.
Bias
A systematic error or deviation from the truth in results or inferences that can affect the validity of research findings.
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