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本研究基于动态系统理论,以四名EFL学习者为研究对象,对他们的作文语篇连贯词汇重叠、语义连贯、时体连接和连词比率四个维度的发展变化进行了两个学期的跟踪研究。借助Coh-metrix 3.0网络平台对收集到的英语作文数据进行标注。结果表明,EFL学习者在词汇重叠、语义连贯、时体连接和连词比率四个维度上的发展呈非线性态势,波峰与波谷并存,竞争与促进混合,语篇连贯的发展具有复杂性和不可预测性。学习者在这四个子系统上表现明显的个体差异,发展路径各不相同。语篇连贯发展的个体差异受到诸如社会生态系统和学习者认知生态系统等多种因素影响。
Based on the dynamic system theory, this study, based on four EFL learners, conducted a two-semester follow-up study on the development and changes in four dimensions: coherence of lexical coherence, semantic coherence, tense connection and conjunctive ratio . Collect the collected English composition data with Coh-metrix 3.0 web platform. The results show that the development of EFL learners in the four dimensions of lexical overlap, semantic coherence, tense body connection and conjunctions is non-linear. The coexistence of wave crests and troughs, the competition and promotion mix, and the coherent development of EFL learners are complicated and not feasible Predictive. Learners show obvious individual differences in these four subsystems, with different development paths. The individual differences in the coherent development of discourse are influenced by many factors such as the social ecosystem and the cognitive ecosystem of learners.