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 ...

Ethics committees and funding agencies often receive protocols that involve either too many or too few animals to answer the specific research question being investigated. It is evident that a greater ...

This article examines the use of femtosecond (fs) laser ablation for site-specific TEM sample preparation in a FIB-SEM. Various workflows are shown facilitating TEM lamella preparation of regions of ...

Ryan Boudreaux reviews the design principle of alignment with some samples and tools. Alignment is the third part of the series on “Effective design principles for web designers.” The first two ...

The term “reality capture” refers to technologies used to capture the physical world and transforming it into digital data. It’s typically used to document existing conditions, create accurate 3D ...

Android’s standard layouts can be confusing. When one attribute interacts with another attribute, you can get some surprising results. So it helps to have attributes with intuitive meanings, such as ...