Objectives In patients with chronic obstructive pulmonary disease (COPD), severe exacerbations (ECOPDs) impose significant morbidity and mortality. Current guidelines emphasise using ECOPD history to ...

Different IOL calculators provided similar results in patients with a history of LASIK surgery, according to a study ...

Learn what active risk is and how to calculate it. Understand the methods to evaluate active risk in portfolios and explore examples of funds outperforming benchmarks.

Researchers from Skoltech Engineering Center's Hierarchically Structured Materials Laboratory have developed a new method to ...

The National Testing Agency (NTA) has issued a clarification regarding the use of a virtual or on-screen calculator during the Joint Entrance Examination (JEE) Main 2026, confirming that ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. In today’s column, I examine a newly revealed technique in ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...

ORANGE COUNTY, Fla. – If you received a sample ballot in the mail from the Orange County Supervisor of Elections, it is critical to carefully check it. Ballots were sent to about 89,000 voters ahead ...

ORANGE COUNTY, Fla. – The Orange County Supervisor of Elections announced on Friday a printing error on thousands of sample ballots for the upcoming Special General ...

Microsoft Excel’s mathematical capabilities often go far beyond the needs of most everyday users. However, Excel’s built-in statistical functions make it an essential tool for anyone who works with ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you’ll hear ...

Conducting a poll isn’t an exact science. The process is susceptible to lots of common problems and baked-in biases — more than just the “margin of error.” By ...