WATCHDefinitionA watch is a timepiece that is made to be worn on a person. It is usually a wristwatch, worn on the wrist with a strap or bracelet. In addition to the time, modern watches often display
Kappa系数:一种衡量评估者间一致性的常用方法Biostatistics in psychiatry (25)?howardKappa coefficient: a popular measure of rater agreementWan TANG 1*, Jun HU 2, Hui ZHANG 3, Pan WU 4, Hua HE 1,51 Department of Biostatist