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| Studying a Study | ||||
| Testing a Test | ||||
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| Rating a Rate | ||||
| Considering Costs | ||||
| Guide to the Guidelines | ||||
| Selecting a Statistic | ||||
| Test Yourself |
Method- The investigation's purpose and population
1. Purpose
What is the intended purpose of the investigation?
2. Study population
What are the inclusion and exclusion criteria?
3. Sample size
What is the sample size?
