●Chapter 1 Introduction
● 1.1 The research context
● 1.2 Rationale for the present research
● 1.3 The general research purpose
● 1.4 The overall structure of the book
●Chapter 2 Literature Review
● 2.1 Introduction
● 2.2 Input and interaction in SLA
● 2.2.1 Early research on accommodative features of L2 input and interaction
● 2.2.2 Different views on the role of input and interaction in SLA
● 2.2.3 The development of the interactionist view on input and interaction in SLA
● 2.3 Accommodation Theory
● 2.3.1 The development of Accommodation Theory
● 2.3.2 The studies of accommodation from different aspects
● 2.3.3 The studies of accommodation in oral proficiency interviews
● 2.3.4 Lexical accommodation in oral examinations
● 2.4 Vocabulary assessment and lexical richness
● 2.4.1 The important role of vocabulary in L
● 2.4.2 The definition of word
● 2.4.3 Different dimensions of vocabulary knowledge
●部分目錄

本研究的語料選自180個國際化英語口語考試，包含三個不同水平等級的考生，采用美國兒童心理協會CHILDES語料庫繫統中的cLAN等軟件，分析不同級別以及同一級別中合格與不合格考生詞彙豐富性的多個量化指標，並使用SPSS對這些詞彙的量化指標、考官相應的詞彙使用情況以及口語考試評分項指標之間的關繫進行統計分析。在量化分析基礎上，本書又采用質性的研究方法，對考官進行訪談，運用扎根理論進行分析。