Examlex
What is the difference between self-concept and self-esteem in school-age children?
Sum of Differences
The total sum calculated by subtracting each value in a dataset from a specific value (often the mean), used in various statistical computations.
Null Hypothesis
A hypothesis in statistics that proposes no significant difference or effect, serving as the default or starting assumption in hypothesis testing.
Dependent Samples
Pairs of samples where the members are matched or related, often used in experiments to compare two conditions or treatments.
Pretest and Posttest
Assessments administered before and after an intervention or experiment to measure the impact of the intervention.
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