Morphological Awareness Of Primary School Students In Grades 2-4 And Its Impact On The Effect Of Lexical Context Diversity

Children's groups are more important subjects in language learning research.In recent years,More and more researchers at home and abroad began to start from the characteristics of Chinese itself,To study the unique role of morpheme consciousness in the development of children's language,such as reading comprehension and vocabulary recognition.There is considerable evidence that,Morpheme awareness is of great significance to early vocabulary acquisition in Chinese children.Contextual diversity is also an important variable in vocabulary learning.Adelman,of lexical situational diversity Brown and Quesada were presented in 2006,Its main meaning refers to the number of different documents presented by a word in a lexical corpus.Adelman believe that,In the process of vocabulary recognition,The diversity of lexical situations is a better predictor than word frequency.In addition,A study of lexical situational diversity in children.Studies have shown that,Identification of words that contain two or more morphemes sometimes depends on the context.The richness of compound morphemes determined by different situations,Children may be more sensitive to situational diversity.How does situational diversity effect and morpheme awareness work together in children's language development,There is little research at present.Based on this,Based on the analysis of the development of morpheme consciousness in children,For pupils in grades 2-4,To explore the effect of morpheme consciousness on lexical situational diversity in children's language development.The study included the following:In study 1,the development of morpheme consciousness in 2-4 grade children was investigated by means of compound morpheme consciousness test,homomorphism morpheme consciousness test,component consciousness,shape-side consciousness,Chinese literacy,true and false word judgment,quick naming and so on.The subjects were divided into high morpheme consciousness group and low morpheme consciousness group,and 25 double words were selected under the conditions of high word frequency low situation diversity word(HL)and high word frequency high situation diversity word(HH).The behavioral data such as response time and correct rate were analyzed by lexical judgment task.The main results of the study are as follows:Study 1 found that the morpheme consciousness of 2-4 grade students in primary school is increasing with the increase of grade;on the other hand,the higher the morpheme consciousness of primary school students,the greater their literacy,and the positive correlation between the two.The second study found that situational diversity and morpheme diversity and morpheme consciousness: in the high morpheme consciousness group,the situational diversity effect of 2-4 grade students in primary school was significant,and in the low morpheme consciousness group,The effect of situational diversity did not exist in the three grades.To sum up,the results of questionnaire survey and behavior experiment showed that in Chinese system,the second to fourth grade of primary school is the key stage of the development of morpheme consciousness.Morpheme consciousness can significantly affect the speed of word recognition and morpheme consciousness can regulate the effect of lexical situational diversity.The results are helpful to reveal the process of children's language processing and development,and to promote the construction of dynamic theoretical model of children's vocabulary recognition.