效度是指鉴定考试的有效程度,是衡量鉴定考试在何种程度上实现了测量的目的;也可以从测量工具(试题、试卷)制备的角度考量所测内容的代表性程度。在职业资格证书考试体系中,劳动和社会保障部制定了《国家职业技能鉴定命题技术标准(试行)》,将试题的效度命名为“题目-目标一致性 Validity refers to the effectiveness of the appraisal test, which measures the extent to which the appraisal exam achieves the purpose of the measurement. It also considers the degree of representation of the measured content from the point of view of the preparation of test tools (test questions, test papers). In the vocational qualification examination system, the Ministry of Labor and Social Security has formulated the Technical Standard for Proof of National Occupational Skill Testing (Trial), and named the validity of the test questions as "Topic-Target Consistency