Suppose that the sample of students described in the previous section was actually selected using stratified random sampling. In stratified sampling, the study population is divided into ...

Establishing a common language for the stakeholders in stratified medicine — including drug developers, diagnostic companies, regulators and payers — could help tackle the complex challenges ...

Consider the example in the section "Stratified Sampling". The study population is a junior high school with a total of 4,000 students in grades 7, 8, and 9. Researchers want to know how much these ...

生物3D打印已广泛应用于构建皮肤、血管、心脏等多种组织/器官原型，这不仅为器官替换的宏伟目标奠定了基础，还可作为体外病理模型服务于药物筛选、器官发育及病变等领域。鉴于器官/组织结构的复杂性，开发了多种生物3D打印方法以满足不同的应用场景。如何根据应用 ...

Diagnosis of Alzheimer's disease (AD) is currently largely based on the presence of biomarkers. This may lead to a ...

Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Centre for Mathematical Sciences, Wilberforce Road, Cambridge CB3 0WA, UK We use large-eddy simulations to study the ...

New research has given a “plausible scientific basis” for two of Jesus Christ’s most iconic and biblically recorded miracles ...

New research suggests that the miracles of Jesus described in the Bible could have more earthly explanations related to ...

Research published in the scientific journal "Water Resources Research" offers fresh insight into one of Jesus' miracles ...

That being said, the researchers are forging ahead to address the need. In another study published by Cabanillas and her ...

Results of a New York Times/Siena College poll conducted among 7,575 registered voters in the 2024 Battlegrounds from Oct. 24 to Nov. 2, 2024.