Examlex
Explain the three core principles of prenatal development, giving examples of each.
Systematic Variance
The portion of variation in an outcome that can be consistently explained by variables or factors in a study.
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.
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