A Practical Study On The Application Of PCRR Model In High School Biology Teaching To Cultivate Students' Argumentation Ability

With the development of international science education and the requirements of curriculum standard reform in China,demonstration activities in the classroom become an effective way to develop students' scientific thinking.Researchers around the structure model of scientific reasoning ability and PCRR reasoning model,by investigating students' problems in the current reasoning ability,find the corresponding teaching strategies to solve the problem to improve the students' ability of scientific reasoning,aims to develop students' critical thinking and reasoning ability,cultivate the students' scientific thinking,improve core accomplishment.This research mainly through the investigation in Harbin a key senior high school students' ability to demonstrate the current situation,find out the common problems in the demonstration activities,students as a breakthrough point,combined with factors influencing the scientific reasoning ability of students,guided by the PCRR model,through the development of different teaching strategies in the model to solve problems of students in the argument,in order to improve the students' reasoning ability.According to the above process,the researchers selected class 6 and class 7 as the control class and the experimental class to carry out the practice research,and compared the changes of students' reasoning ability before and after practice and the changes of their own reasoning ability in the experimental class and the control class.According to the collected data,this study adopts the SPSS18.0 software independent sample t-test analysis,compare the difference between before and after the experiment teaching of experimental classes and that in comparative classes reasoning ability,the change of the whole and the scientific phenomenon,science,technology,products such as individual circumstances and the ability to use reasoning methods changes in experimental classes and the change of that in comparative classes their own reasoning ability.The results show that the PCRR model can make students' argumentation ability develop from low level to high level,and the teaching strategies developed according to the model can effectively improve the problems existing instudents' argumentation activities.