A newly merged black hole does not become quiet at once. It vibrates, sheds energy through gravitational waves and produces a ...

This piece explains how researchers measured Americans' engagement in public life using multimode surveys, address-based ...

When Motorola introduced its first mobile phone in 1984, the company hoped for a buying frenzy. But even the best marketers couldn’t have predicted the success of mobile phones. Today, mobile phones ...

Statistical models predict stock trends using historical data and mathematical equations. Common statistical models include regression, time series, and risk assessment tools. Effective use depends on ...

The analysis of covariance (Ancova) is a widely used statistical technique for the comparison of groups with respect to a quantitative dependent variable in such a way that the comparison takes into ...

In the wake of the replication crisis, statistical power has become one of the central issues in debates about the quality of research. The widespread use of tests with low power is seen as a key ...

No universal definition of a small sample size has been established and the concept of small depends on the type of statistical analysis. Studies with small sample sizes can be associated with ...

“One Guinness, please!” a customer says to a barkeep, who flips a branded pint glass and catches it under the tap. The barkeep begins a multistep pour process lasting precisely 119.5 seconds, which, ...

The WIDA ACCESS language proficiency test is used across close to 40 states as part of the federal requirement to determine whether English learners continue to need language-development services. The ...

The Alan Turing Institute, 96 Euston Road, London NW1 2DB, UK This Personal View is intended for early-career researchers who are not yet experts in statistics. The Personal View focuses on common but ...