@INPROCEEDINGS { AUTHOR = "Jocelyn Simmonds and Francisco Gutierrez and Federico Meza and Catalina Torrent and Jaime Villalobos", TITLE = "Changing Teacher Perceptions about Computational Thinking in Grades 1-6, through a National Training Program", BOOKTITLE = "ACM Technical Symposium on Computer Science Education (SIGCSE)", PAGES = "260-266", MONTH = "Mar", YEAR = "2021", ADDRESS = "Virtual Event", PUBLISHER = "ACM Press", }