January 2004
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252 Reads
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13 Citations
University students are expected to be able to read English texts related to their discrete fields of study. Since vocabulary knowledge is essential to meeting this goal, this paper measures the vocabulary size of university students and their reading comprehension ability, with particular reference to the effects of vocabulary knowledge and content knowledge on reading comprehension. The subjects were 246 university juniors who were non-English major. They took Nation's (1990) Vocabulary Levels Test, an English passage, a recall protocol, and the Inventory of Content Knowledge and Interest Questionnaire. The reading comprehension score was calculated in an idea-unit analysis of students' recall protocols. The results show that university students depend upon vocabulary knowledge and content knowledge to comprehend any English text they read, but they depend more upon vocabulary knowledge than upon content knowledge. On the average, university students' vocabulary knowledge does not reach the necessary threshold of vocabulary knowledge. Although university students have rich content knowledge, their lack of vocabulary knowledge markedly prevents them from applying their content knowledge to gaining information from a reading text. Most university students in Taiwan only know a few general academic words so that it is difficult for them to read academic texts printed in English. The researcher suggests that university students should rapidly increase their vocabulary knowledge to more effectively promote their reading comprehension.