Podcast
Questions and Answers
What is the effect size in the population relevant for the study?
In a power analysis, what does the significance level α of 5% indicate?
Why does the sample size need to be doubled if values in the table refer to one group?
What does a power level of 80% signify in a power analysis?
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Which factor directly influences the required sample size in a power analysis?
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What is the purpose of using G*Power or similar software in sample size determination?
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What is the purpose of conducting a power analysis before a study?
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In the context of the given example, what does the effect size of 0.5 represent?
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What is the allocation ratio in the given example?
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What is the total sample size required for the study based on the power analysis?
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Which of the following is NOT a required input for the power analysis in the given example?
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What is the purpose of conducting a power analysis in the given research study?
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What is the effect size (d) based on the given information?
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In a randomized controlled trial, what is the purpose of having a control group?
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What is the significance level (α) chosen for the statistical analysis in this study?
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If the standard deviation of blood pressure in the population changes from 20 mmHg to 15 mmHg, how would the effect size (d) be affected?
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