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推論技巧在字彙學習及閱讀理解之應用 / The Effect of Lexical Inferencing in Vocabulary Learning and Reading Comprehension

本研究的目的是探討學生由上下文猜測字義的能力及其與字彙學習、閱讀能力之相關關係。
研究的對象是台中市育英國中68位二年級的學生。研究的主要工具是兩份評估學生字彙及閱讀能力的全民英檢字彙及閱讀測驗,調查學生關於字彙推論技巧的問卷及訪談各一份。研究過程分為三個步驟:(1)前測— 字彙、閱讀能力測驗及問卷,(2)教學實驗— 字彙推論教學,及(3)後測— 字彙、閱讀能力測驗,問卷,及(4)個別訪談,以獲得更詳盡的資料來支持研究結果的分析。
研究結果發現:
(1) 學生的字彙能力及閱讀理解能力具有顯著相關。學生的字彙能力越強,越能幫助他們對文章意義的理解,進而相對地提高他們的閱讀理解能力。
(2) 教授字彙推論技巧有助於學生的字彙學習及閱讀理解。接受字彙推論技巧教學的實驗組學生於後測階段,在字彙能力及閱讀理解測驗的表現均明顯優於未接受字彙推論教學的控制組學生。
(3) 字形、句義及文章大意為最常被學生運用來做字彙推論的線索。這一點控制組及實驗組學生均是如此,但實驗組學生使用地較頻繁,而且利用的推論線索也較控制組學生更多且更適當。
根據以上的結果,本研究提出三點建議:
(1) 字彙推論教學可以融合於學校課程之中進行,一節課十至十五分鐘讓學生練習推論字義,四個月的教學,學生已能利用各類推論線索對字義做適當的推論。英語教學雜誌及英語郵報上的文章,是提供學生更多練習機會的理想補充教材。
(2) 老師教導字彙推論技巧時,應選擇適合學生程度、符合學生背景知識及具有充分線索供學生推論的教材或文章,避免學生因推論線索不足而胡亂猜測,無法對其閱讀理解有助益。並從較簡單的『單字本身』及『句內上下文』線索教起,再循序進入較難的『跨句上下文』和『背景知識』線索。
(3) 當學生出現閱讀困難時,老師應先確定困難形成的原因,分辨究竟是字彙基本能力不足或不懂得運用策略造成的,才能對症下藥,幫助學生增進字彙學習及培養閱讀理解能力。 / This study investigates the lexical inferencing made by Taiwan EFL students at a junior high school when they encounter unknown words in English texts. The researcher examines the effect of lexical inferencing on their vocabulary learning and reading comprehension, and the types of knowledge sources and contextual cues they use in the process.
Sixty-eight students, thirty-four from Class 201 and thirty-four from Class 204, are selected as the participants for this study. These students are at the similar English proficiency level according to their academic proficiency scores last semester. The vocabulary test and reading comprehension test of GEPT, elementary level (LTTC, 2001) are used in the pretest to measure the participants’ vocabulary knowledge and reading comprehension ability before treatment. A questionnaire is applied to investigate the varied types of knowledge sources and contextual cues used by the participants in the process of lexical inferencing both in the pretest and the posttest. The treatment—lexical inferencing instruction, lasting for four months, is conducted on the participants in the experimental group. After the treatment, two posttests of vocabulary and reading comprehension are conducted again to assess if there is any significant difference on vocabulary knowledge and reading comprehension between the controlled group and the experimental group.
The main findings of this study are as follows:
1. There is a significant correlation between students’ vocabulary knowledge and reading comprehension. Better vocabulary competence contributes to better reading comprehension. Vocabulary competence can serve as good predictors of reading ability in a foreign language.
2. Lexical inferencing instruction does contribute to better performances in vocabulary and reading comprehension tests. The participants who receive instruction demonstrate significant progress. Lexical inferencing instruction also results in the recognition and employment of varied types of knowledge sources and contextual cues which facilitate the appropriate word meanings inferred.
3. Both groups use similar types of knowledge sources and contextual cues when making inferences. However, students in the experimental group make use of more types of knowledge sources and contextual cues in the process of inferencing and they practice the inferencing strategy more frequently. Sentence level meaning, word morphology, and discourse level meaning are the cues most frequently used by both groups.
Pedagogical implications of this study and suggestions for further research are also presented.
1. Instruction of vocabulary inferring can be integrated into regular curriculum. It takes only 10 to 15 minutes per class for students to practice the inference strategy. As shown in our experiment, after four months of instruction, students achieve significant progress in the use of knowledge sources and contextual cues while reading. Articles in English learning magazines or bilingual newspapers are good supplementary reading materials for practice. These materials are usually longer and contain various types of knowledge sources and contextual cues.
2. To teach inferring skills, teachers should choose the reading texts which are familiar to students and contain enough knowledge sources and contextual cues. Students incline to giving wild guesses when they can not find adequate cues to help them do the job. Lexical inference instruction can be conducted by focusing on the word level cues in the first phase, then extending to the sentence level cues, and to the wilder discourse level cues. Equipping students with rich world knowledge is also helpful.
3. Teachers should examine students’ reading difficulties should to figure out what the problems are. Students’ reading problems may result from lack of basic linguistic competence or lexical strategies in reading. With knowledge of these problems, the teacher can help the students overcome their difficulties and become successful readers.

Identiferoai:union.ndltd.org:CHENGCHI/G0090951005
Creators羅文莉, Lo,Wen-li
Publisher國立政治大學
Source SetsNational Chengchi University Libraries
Language英文
Detected LanguageEnglish
Typetext
RightsCopyright © nccu library on behalf of the copyright holders

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