Reliability and Validity Testing of the Teacher Digital Literacy Scale

The purpose of this study was to test the reliability and validity of the Teacher Digital Literacy Scale. Methods: A total of 240 respondents were sampled from 4 universities in Changchun City, Jilin Province， China, and a proportional random sampling method was used to generation sample, after screening and cleaning the data, 194 questionnaires were confirmed as valid questionnaires. The data analysis was performed with the aid of SPSS version 26.0. The Cronbach’s alpha coefficient of the scale is 0.923, and the lowest Cronbach’s alpha coefficient for the five dimensions digital awareness, digital technology knowledge and skills, digital application, digital social responsibility, and professional development is 0.797, indicating that the reliability of the scale is good. For the Exploratory Factor Analysis (EFA), all scale items performed well, and based on the analysis results, the scale is divided into 5 dimensions. The final scale is suitable for the next step of field research.