Examlex
States have the power to determine the number of House districts they get.
Error Variance
The variability in a set of data that cannot be attributed to the factors being studied, often resulting from measurement errors or other inconsistencies.
Dependent Sample Designs
Research designs involving comparisons of measurements from the same group of subjects under different conditions or at different times.
Extraneous Variables
Factors in a study that could undermine the internal validity by influencing the dependent variable in a way not intended by the research.
Independent Variables
Variables in an experiment that are manipulated or changed by the researcher to observe their effect on dependent variables.
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