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colleen colleen
wrote...
Valued Member
Posts: 17076
12 years ago
Define and compare external validity and internal validity. Given your personal values, which do you feel is more important to emphasize in educational research? Explain the rationale for your choice. 
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wrote...
Valued Member
12 years ago
Internal validity, which is established in laboratory experiments, allows the researcher to conclude that experimental outcomes are due to the effects of treatments and not of extraneous factors. High internal validity sometimes comes at the cost of external validity, which is the applicability of the findings to some real-life problem. 
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