In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

Lauren (Hansen) Holznienkemper is a lead editor for the small business vertical at Forbes Advisor, specializing in HR, payroll and recruiting solutions for small businesses. Using research and writing ...

Across five years of tireless activity, Taylor Swift has repeatedly envisioned herself in the shoes of doomed women in history and literature while coping with stress and public-relations disasters.

试验中要考察的指标称为试验指标，影响试验指标的条件称为因素，因素所处的状态称为水平 (通常用于3个或更多水平时；如果只有2个水平考虑T-test);若试验中只有一个因素改变则称为单因素试验，若有两个因素改变则称为双因素试验，若有多个因素改变则称为 ...