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Case Study
A detailed investigation of a single individual, group, event, or community, typically used for research and learning purposes.
Control Group
A group in a scientific experiment where the experimental procedure is applied, except for the variable being tested, serving as a comparison to determine the effect of the treatment.
External Validity
The ability to extend the outcomes of a research study to different environments and various people.
Internal Validity
Refers to the extent to which a study can establish a causal relationship between its variables, eliminating alternative explanations.
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