Research On The Cultivation Of Computational Thinking In Information Technology Curriculum Based On PBL Teaching Mode

Since the concept of computational thinking was clarified in 2006,computational thinking has gradually become a research hotspot in the field of global education and computer science.China's research on computational thinking is also in full swing."General High School Information Technology Curriculum Standards(2017 Edition)" lists computational thinking as one of the four core literacy of the discipline,and computational thinking as a breakthrough in core literacy training and The focus is of great significance and value to the cultivation of other core literacy.At present,the domestic research on computational thinking mainly focuses on higher education,and the research on how to cultivate high school students' computational thinking is still in its infancy.Although experts and scholars have conducted research and exploration from the theoretical and practical perspectives,there is still a student learning subjectivity Insufficiency,neglect of students' data representation ability,single carrier of computational thinking training,and failure to form a quantitative evaluation system.In response to the above problems,the author has constructed a PBL teaching model for cultivating computational thinking,designed teaching and conducted experimental research around high school information technology courses to test the feasibility and effectiveness of the constructed model.This research firstly used the literature research method to sort out the research status of computational thinking and PBL,analyze and summarize the problems that need to be solved in the research of computational thinking;then,use the questionnaire survey method to understand the current high school students' information technology level and computational thinking training status,survey results It shows that the overall level of students' computational thinking is weak and teaching methods need to be improved.It further clarifies the importance and necessity of cultivating students' computational thinking in high school information technology classrooms;subsequently,the six dimensions of computational thinking are: clear and decompose problems,abstract features,Design algorithms,data characterization,evaluation optimization,summary migration into PBL,construct a PBL teaching model that fosters computational thinking,conduct instructional design and carry out teaching experiments;finally,through the calculation of thinking scale,stage results,student works,classroom observation,Student interviews and other multiple evaluation methods to analyze and test the feasibility and effectiveness of the teaching model.The experimental results show that the PBL-based teaching model can effectively promote the development of students' computing thinking ability,and provide a model for the high school information technology teaching and computing thinking training research.