An analysis of Bebras Challenge Tasks with Delphi Method

• Main Authors: Sun, Wei-Lin, 孫維琳
• Other Authors: Lee, Chung-Mou
• Format: Others
• Language: zh-TW
• Online Access: http://ndltd.ncl.edu.tw/handle/3p92hw

碩士 === 國立臺灣師範大學 === 資訊工程學系 === 106 === Computational thinking has become increasingly important. Educators around the world have also begun to develop courses on the development of computational thinking skills. The measurement of students' learning effectiveness is also very important. There are many tests that claim to be able to measure it. But most of them can not be explained which concept is evaluated. Therefore, this study takes the “International Challenge on Informatics and Computational Thinking” as an example. We use Delphi method to conduct a three-round questionnaire survey, collects the ideas of experts, and integrates the core concept of computational thinking and the tasks. We analyzed which types of experts are less affected by others and which are more representative. In this study, due to the number of questions and the experts, the experts were divided into two groups with two different questionnaires that were evaluated as a comparison to explore the differences among various experts. The experimental results show that the three-round Dephi questionnaire can classify the tasks according to the concepts of computational thinking, and find that no one is classified as "decomposition". In addition, this study also found that the Bebras Challenge's propositions are also susceptible to others when evaluating the questions, and their answers are not necessarily representative, mainly because the anonymity of Dephi makes the results of the evaluation more objective.