A Survey of Double-Qualified Teacher’s Professional Standard Elements in Double High Level Vocational Colleges based on Likert Scale Using the R Language

Building a High-Level Double-Qualified Teachers’ Faculty (DQTF) is the key to support the reform and development of double high level vocational colleges in the new era, and has become the focus of research in the field of higher vocational education. Meanwhile, the determination of professional standard elements is the core. This article firstly adopts the technique to confirm the 34 critical indexes which compose the professional standard, builds the 7 Likert Scale, and carries on the collection of 726 questionnaires. Based on the results obtained from the test, the results will show that the model of the sample is found out by means of R language, which provided a basis for further research on Principal Component Analysis.