Levels of Measurement and Precision
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How does knowing the level of measurement for variables help a researcher examine outcomes in a study? What is the relationship of precision and levels of measurement?
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Solution Summary
This posting looks at the implication is using different alpha levels (0.95 vs. 0.8).
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Level of measurement is key when examining a study. For example, there is a huge difference between an alpha (level of measurement) of 0.95 and one of 0.8.
In the 0.95 case, we are stating that we are 95% sure that the results of our study is actually due to the effect that we are examining, and not due to chance.
In the 0.8 case, we are stating that we are 80% sure that the results of our study is actually due to the effect that we are examining, and not due to chance.
This is a huge difference. Imagine a study where we ...
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