This paper revisits the problem of power analysis and sample size calculations in randomised experiments, with a focus on settings where inference on average treatment effects is conducted using ...

For all 4 algorithms, more balanced classes (multiplier: 0.93-0.96 for a 1% increase in minority class proportion) were associated with decreased sample size. Other characteristics varied in ...

Introduction Hepatitis B virus (HBV) is a bloodborne virus which can be transmitted via percutaneous and mucocutaneous exposure to infected body fluid. Healthcare workers (HCWs) who are continuously ...

The life-size LEGO Formula 1 cars hit the track at the Miami Grand Prix, leaving fans with a jaw-dropping response. Fans wait in line to take photos of a life-sized LEGO McLaren F1 car in the Grand ...

Just before the start of the 2025 Formula 1 season, we reported that Lego was going all-in to celebrate what would be the 75th anniversary season of the sport. That all-in attitude is on full display ...

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Sample size calculation is part of the early stages of conducting an epidemiological, clinical or lab study. In preparing a scientific paper, there are ethical and methodological indications for its ...