Course TopicsPower 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 ...

In a provocative essay published Thursday, researchers from Harvard Medical School and King’s College London argue that research participants should have access to the raw data they provide for ...

Course TopicsPower 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 ...

For research from the not-that-distant early 1990s, data availability dropped to as little as 20 percent. This phenomenon will feel familiar to anyone who follows science, academia, and the law ...

Low statistical power undermines the purpose of scientific research; it reduces the chance of detecting a true effect. Perhaps less intuitively, low power also reduces the likelihood that a ...

He weighed the sample to an estimate of the demographic composition of Florida’s registered voters in 2016, based on census data, by age, sex, education, gender and race. Mr. Franklin’s likely ...