Examlex
Secondary groups are groups that people take into consideration when evaluating themselves.
SRS
Simple Random Sampling, a statistical method wherein each member of a population has an equal chance of being selected for the sample.
Sign Test
A non-parametric test used to determine if there is a significant difference between paired observations, relying on the direction of differences rather than their size.
Matched Pairs
A statistical technique that involves comparing two samples that are closely related or paired, often used in before-and-after studies.
Null Hypothesis
A hypothesis in statistical tests that assumes no effect or no difference between groups or conditions being compared.
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