國家教育研究院

　　十二年國民基本教育課程綱要—英語文領域在學習內容部分，明訂國民小學教育階段應能應用300個字彙，而至國民中學，應至少學會1,200個字。高中則是4,500字。此外課綱也提供了2,000個字彙參考表，其中包含國中1,200基本單字及800個其他常用單字。然而，國小300個字彙卻未提供明確的字彙內容，而外界也常質疑國中1,200字的數量與選字內容的合理性。因此本研究之整合型計畫採用了築基於多種語料庫的實證研究法來檢視國小、國中字彙數量與內容、並嘗試提供改良建議。本子計畫則著重在書面詞彙的角度，採用多種著名的書面語語料庫，來檢視國小、國中字彙數量與內容。

　　書面語語料庫是書面語言實際使用情境的取樣，代表生活中書面語應用的情形，因此是適合的書面字詞使用參考依據。國外目前已有多種完備書面語語料庫可供字表參考。本計畫將比較書面語語料庫所產出的詞頻表，及多種字彙表，包括從國外著名語料庫統計之字彙表，國外現有的字彙表，以交互覆蓋率及語料庫覆蓋率來分析詞表的適切性。並配合子計畫一所產出的教科書字彙表分析比較，及子計畫三所產出的口語語料庫詞頻表分析比較，做為回答上述問題之實證基礎。

  In the English Language Area of the 12-year National Basic Education Curriculum, it is stated in the learning content section that the students should be able to use 300 words in elementary school and learn at least 1,200 words in secondary school. In high school, it is 4,500 words. The syllabus also provides a reference list of 2,000 words, which includes 1,200 basic words and 800 other common words for middle school. However, the 300-word vocabulary for elementary school does not provide clear vocabulary content, and the number of 1,200 words for junior high school and the reasonableness of the word choice are often questioned. Therefore, this integrated project uses an empirical research method based on multiple corpora to examine the number and content of elementary and middle school vocabularies and to try to provide suggestions for improvement. This sub-project focuses on the number and content of vocabulary in elementary and junior high schools from the perspective of written vocabulary, using a variety of well-known written language corpora.

  Written language corpora are samples of actual written language usage situations, representing the application of written language in daily life, and are therefore suitable references for written word usage. A variety of comprehensive written language corpora are available for reference in foreign countries. This project compares the word frequency lists produced by the written language databases and various word lists, including those from well-known foreign databases and existing foreign word lists, and analyzes the suitability of the word lists in terms of cross-coverage and database coverage. The analysis of textbook vocabularies produced in Subproject 1 and the comparison of oral corpus vocabularies produced in Subproject 3 are used as the basis for answering the above questions.