Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

For NBA fans, Halloween gets second-billing behind opening night. We’ve already seen scary-good performances like Trae Young‘s 35 & 11 double-double, ghoulish injuries like Will Barton‘s 5-6 week ...

Back in the day, we learned in statistics that you need a sample size of at least 2% of the size of population to make statistically significant conclusions about the behavior of the population. In ...