Examlex
The ____ tab displays the most commonly used items.
Independent Variable
A factor in scientific research that is intentionally changed to examine its impact on a dependent outcome.
Selection Bias
A distortion in a statistical analysis resulting from the method of collecting samples, where some members of the intended population are less likely to be included than others.
Natural Groups
Groups that exist in the real world as they are, without manipulation or creation for research purposes, such as ethnic or gender groups.
Two Groups
A research design involving comparison between two separate groups of participants to determine the effect of a variable.
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