Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...

A novel differentiable approach optimizes geometric waveguide coatings, achieving substantial gains in light efficiency and ...

Select winners in Excel using classic INDEX formulas or modern CHOOSEROWS and TAKE combinations.

Objectives This study aims to assess travel time, associated costs, challenges and factors influencing healthcare facility choices among persons with cancer in Southern India. Design An explanatory ...

Market research is the systematic process of gathering, analyzing, and interpreting information about a market, including the creation and evaluation of products and services, and the consumer ...

BRAC researchers respond to the concerns raised about the BIGD Pulse Survey in a recent Diplomat op-ed. The BRAC Institute of Governance and Development (BIGD), a Bangladesh-based research institute, ...

A man has made travel an unpredictable adventure by throwing a dart at a map of the world while blindfolded — and visiting whichever country his darts happen to hit. Sorin Mihailovici, 48, a small ...

Introduction: Accurate biomass estimation is crucial for quantifying forest carbon storage and guiding sustainable management. In this study, we developed four biomass modeling systems for natural ...

With fewer landlines, busy parents juggling work and family, and younger adults who rarely answer calls, it has become much harder to engage respondents. As the U.S. presidential election approaches, ...

Pollsters have developed a range of methods for selecting who is asked to answer poll questions. Guido Mieth/Moment via Getty Images As the U.S. presidential election approaches, news reports and ...