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A countercurrent mechanism is in
Variable
Any factor, trait, or condition that can exist in differing amounts or types and can influence the outcome of scientific research or experiments.
Sampling Bias
A bias in which certain members of a population have a higher likelihood of being included in the sample over others, leading to a non-representative sample.
Generality
The quality or state of being widespread or universally applicable, often used to describe observations or theories that are considered to be true under numerous conditions and contexts.
Findings
The outcomes, results, or conclusions reached through research, experimentation, or analysis in various fields of study.
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