Kaozheng

Kaozheng (Chinese: 考證; "search for evidence"), alternatively called kaoju xue (Chinese: 考據學; "evidential scholarship") and Qian–Jia School (Chinese: 乾嘉學派), was a school and approach to study and research in the Qing dynasty of China from about 1600 to 1850. It was most prominent during the reign of the Qianlong Emperor and Jiaqing Emperor (hence the alternate name "Qian–Jia School"). The approach corresponds to the methods of modern textual criticism, and was sometimes associated with an empirical to scientific topics as well.