A Study On The Impact Of Different Presentation Forms Of Cases On The Critical Thinking Of Pre-Service Teachers

With the development of economic globalization,talent competition has become one of the important ways of competition in today's society.The competition for talent is focused on innovation.Developing people with creative thinking and ability is one of the goals in colleges and universities.The biggest characteristic of innovative talents lies in their innovative thinking,innovative thinking which is special for innovative talents is based on critical thinking.Therefore,the cultivation of critical thinking is of great significance.Normal university students,as the reserve army in primary and secondary schools,their critical thinking will affect the occupational selection even their teaching in class.More importantly,the development of critical thinking ability of primary and secondary school students will surely affected.Therefore,cultivating critical thinking of pre-service teachers is of practical significance.Firstly,this paper combed the research status of critical thinking and case teaching at home and abroad through literature research method,and summarizes and finds that the presentation form of cases in case teaching method has an impact on teaching effect and critical thinking.In the teaching practice of the course " Modern Educational Technology Application",the author finds that students' performance is different due to different learning materials.Therefore,the author determines the research question of this paper:which is whether the presentation form of cases in teaching has an impact on the critical thinking of pre-service teachers in the respect of application of information.Under the guidance of multimedia learning theory and other related theories,a quasi-experimental study is designed.The case is divided into three forms for presentation:text presentation form,video presentation form,and text and video mixed presentation form.Based on the "Modern Educational Technology Application" of the normal course for normal students,and the theme unit of 'Information Teaching Design' as the learning unit for case teaching,the real problems in the teaching of"Multimedia Courseware Design and Production" were selected as Case sources,describe case problems and complete the design and production of text and video cases.Finally,a blank control group is set up to explore the impact of different case presentation forms on the informational critical thinking of normal students through the practice design of "Thinking-Discussion-Rethinking-Re-discussion" in teaching.the research explores the impact of different case forms on normal students' critical thinking in the aspect of application of information.The study used the critical thinking questionnaire,knowledge ability test and student homework texts of four groups of students as the data source,and used descriptive statistics and analysis of variance to analyze the data and discussed the data results.The result shows that case teaching method is helpful to cultivate normal students'critical thinking in the respect of informatization;The form of cases has an impact on pre-service teacher' critical thinking,and the mixed form of text and video has great impact on the critical thinking and learning results in informatization.The form of text presentation is not conducive to students' evaluation for informatization applications,while the video presentation form is not conducive to students' analyzation and innovation in informatization applications.It is also not good for their content learning.While,case teaching has been widely recognized by pre-service teacher.