Examlex
Identify one example of a database and one example of a search engine and explain the differences between them.
Pretest-Posttest
A research design where measurements are taken both before and after a treatment or intervention to assess its effects.
Nonequivalent Control
A research design where the control group is not randomly assigned, making it different in certain ways from the experimental group, which can affect the interpretation of results.
Control Time Series
A method in statistics and research that involves collecting data points from a single group or subject over a period of time to identify trends or effects of interventions.
External Validity
The degree to which a study's findings can be applied to different situations and various individuals.
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