One of the claimed advantages of RBS surveys is their efficiency. Unlike RDD surveys, which rely on lists of potentially working telephone numbers, RBS surveys use lists of actual Americans. Despite ...

More and more genetic variants which contribute to human complex traits were identified recently in genome-wide association studies (GWAS), an approach that shows more efficiency than any other ...

In this series, I previously gave an overview of the main types of study design and the techniques used to minimise biased results. Here, I describe cross-sectional studies, their uses, advantages and ...

Cohort studies are a type of research design. They are also called longitudinal studies because they follow groups of people over time. Results from cohort studies can help people understand human ...

Every election year, questions arise about how polling techniques and practices might skew poll results one way or the other. In the final weeks before this year’s election, the practice of ...

A new Environmental Research journal research paper discusses the association of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) with morbilliform skin rash. These findings also ...

The study used stool samples from five healthy volunteers to grow ex vivo gut microbiome cultures. These cultures were then exposed to five common microplastic types—polystyrene, polypropylene, ...