| New entrance-exam which was proposed at 2014,targets to train students with key abilities in core literacy,adapts to the development trend of world education,and cultivate talents more in line with the requirements of the times.Meanwhile,the third batch of reforms had been fully rolled out in 2019.Under the new entrance-exam selection mode,the third batch of provinces that started the pilot program has seen a boom in the selection of biology subjects.Biology,as a natural subject,has gradually elevated its status in the entrance-exam,and has become an important subject for the talent selection of entrance-exam.The test questions of entrance-exam are used as a standard to evaluate students' ability.However,the current test questions are not closely related to the core literacy concept of the new entrance-exam.How to more scientifically evaluate the cultivation of core literacy talents is the key.Contextualized test questions play an important role in assessing the level of core literacy training.It is a consensus at home and abroad to assess student literacy through contextualized test questions.There are abundant domestic research materials on the characteristics of contextualized test questions,and scientific evaluation projects with relatively large influences abroad attach great importance to the contextualization of test questions.Among them,the situation of PISA test questions has an important impact and inspiration on China's high school biological evaluation system.However,how to design situational test questions is still a relatively lacking research in China.In this paper,the theoretical common ground is found through the understanding of the basic theory of core literacy,and comparing this theory with the connotation of"scientific literacy" of PISA,a large international assessment project.In the meantime,learn the characteristics of PISA example questions,grasp the basic meaning and precautions of contextualized test questions,and transfer the elements that can be used for reference and grasp to the high school biological test question system.Combined with the key abilities of the biology subject examined by the new entrance-exam,a two-way detailed list of propositions and a detailed list of core literacy examinations are developed,and in accordance with the list by screening and preparation of questions.In the end,the test questions that have been reviewed and polished by front-line teachers will be tested and the test data will be recovered for modeling analysis.Use SPSS.22 software to perform unidimensionality detection on the data,and the Rasch model was established using Winsteps 4.5.1 software.By obtaining the scree plot,overall quality test chart,standard residual chart,wright map,bubble chart,quality checklist for each question,etc.,the quality,difficulty,reliability,separation and degree of fitting of the test questions are detected.Then calculate the core literacy scores of students,understand the core literacy level of students,conduct interviews with students,modify and replace some of the test questions,thereby improving the scientific nature of the test questions and making the quality of the test questions more in line with the detection standards.Through modeling and statistical analysis of core literacy performance score data,the research results show that the situational test questions of the system are more consistent with the core literacy test questions in recent years,with a certain degree of advanced and scientific. |
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