Every week of 2025 seems to bring a new health headline, whether it’s about climbing autism rates, changing vaccination recommendations or unexpected cancer risks. For people trying to make informed ...

Adjuvant Therapy of Nivolumab Combined With Ipilimumab Versus Nivolumab Alone in Patients With Resected Stage IIIB-D or Stage IV Melanoma (CheckMate 915) Patients with stage IIIB-IVM1c unresectable ...

Obesity is a chronic disease that results in substantial global morbidity and mortality. The efficacy and safety of tirzepatide, a novel glucose-dependent insulinotropic polypeptide and glucagon-like ...

We provide a randomized test of policy interventions that address barriers to naturalization for low-income immigrants. We find that offering fee vouchers doubles the naturalization application rate ...

We have already seen that varying two factors simultaneously provides an effective experimental design for exploring the main (average) effects and interactions of the factors 1. However, in practice, ...

The stepped wedge cluster randomised trial is a novel research study design that is increasingly being used in the evaluation of service delivery type interventions. The design involves random and ...

Angioedema induced by treatment with angiotensin-converting–enzyme (ACE) inhibitors accounts for one third of angioedema cases in the emergency room; it is usually manifested in the upper airway and ...

If you are working through this example on your computer, you might find a different run order in your output. This is due to the difference in the seed value of the random number generator. You can ...

Analysis of variance (ANOVA) is a usual way for analysing experiments. However, depending on the design and/or the analysis scheme, it can be a hard task. ExpDes, acronym for Experimental Designs, is ...

Objectives To assess the completeness of reporting of sample size determinations in unpublished research protocols and to develop guidance for research ethics committees and for statisticians advising ...