What is the difference between internal validity and external validity quizlet?
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What is external validity and example?Random selection is an important tenet of external validity. For example, a research design, which involves sending out survey questionnaires to students picked at random, displays more external validity than one where the questionnaires are given to friends. This is randomization to improve external validity.
What is the difference between external and internal reliability?There are two types of reliability – internal and external reliability. Internal reliability assesses the consistency of results across items within a test. External reliability refers to the extent to which a measure varies from one use to another.
What is external validity?External validity is the extent to which you can generalize the findings of a study to other situations, people, settings and measures. In other words, can you apply the findings of your study to a broader context? The aim of scientific research is to produce generalizable knowledge about the real world.
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