Here are the key things to know about this poll from The New York Times and Siena College: • Interviewers spoke with 913 voters nationwide from April 21 to 24, 2025. • Times/Siena polls are ...

This study presents a valuable meta-analysis that highlights low and highly variable breast cancer survival rates across Africa, emphasizing the pressing need for public health in Africa. The evidence ...

Emma Sullivan summarises a cross-sectional observational study investigating associations between school smartphone policies ...

The NLSY79 is a stratified ... sample has tracked the lives of approximately 10 000 people 20 times from 1979 to 2002. The survey over-sampled poor individuals, blacks, and Hispanics. This research ...

Should a census or sampling be used? A population is the complete set of subjects that can be studied: people, objects, animals, plants, etc. A sample is a subset of subjects that can be studied to ...

To address these critical research gaps, we conducted a respondent-driven sampling (RDS) study to describe abortion ... Recruitment continued until the desired sample size was reached and convergence ...

Proprietary research is not exempted. Methodologically, in all or nearly all cases, ABC News requires a probability-based sample, with high levels of coverage of a credible sampling frame.

Think twice before saying yes to that receipt. According to new research from the Center for Environmental Health, the tiny paper documents used by major US retailers contain alarmingly high ...

The survey was conducted from late February to early March as part of our work at the War Studies Research Group to measure public attitudes towards the Australian Defence Force (ADF). More than ...

An employee at a Singaporean company wrote a resignation letter on toilet paper, which went viral on social media and sparked a discussion on toxic workplace culture. The letter had been written ...