Study On The Effect Of Different Types Of Problem Situations On The Data Analysis Concept Ofjunior High School Students

The study is based on the effect of different types of problem situations on the data analysis concept of junior high school students.First,type division of the problem situationthe is done,and the theoretical analysis framework of the data analysis concept is constructed by combing and analyzing the relevant documents at home and abroad.Secondly,the framework of the level evaluation of data analysis concept is constructed by basing on the SOLO level classification table and related literature.Then,the research hypothesis is put forward,which is verified by questionnaire survey,interview and statistical analysis.Then,the influence factors are studied through the classroom observation and statistical analysis.Finally,some suggestions are given to train the students’ data analysis concept according to the influencing factors.The main conclusions of this study are as follows:1.The types of problem situations are divided into four types: single structure,multiple structure,association structure and expansion structure.2.The theory of the concept of data analysis framework consists of three dimensions,nine indicators.The specific content is: data understanding contains the result of statistical knowledge,know clearly the two indicators of statistical knowledge;data using the dimension contains data collection,data processing,data analysis is divided into three indexes including the data dimension data exploration;random consciousness,consciousness,problem consciousness and reflective consciousness of four indicators.3.For different types of problem situation to cultivate students’ concept of data analysis of the evaluation framework includes data understanding,data collection,data processing,data analysis,data consciousness,random consciousness,problem consciousness,consciousness of reflection eight evaluation framework,each of which is divided into 0 levels of evaluation framework,level 1,level 2,level 3.4.Different types of problem situations have different effects on the development of students’ data analysis concepts.They are mainly embodied in data understanding,data collection,data analysis,data awareness,random awareness,problem awareness and reflective consciousness,but the difference in the data is not obvious.5.The complexity of the structure of the problem situation and the teaching method of the teacher have an influence on the role of the problem situation.Based on this,the study proposed the teaching proposal of "creating problem situation in accordance with the learning situation" and "using situation problem teaching model".