The importance of estimating sample sizes is rarely understood by researchers, when planning a study. This paper aims to highlight the centrality of sample size estimations in health research.

While 2025 is considered an "off-year election," without the high-profile presidential showdown of last year or the competitive midterm elections that could shift the congressional balance of power ...

With Election Day coming up on Nov. 4, 2025, voters across the United States should visit their local city or county election office to access a sample ballot.