研究母语背景不同的学习者如何在第二语言写作中分布信息。
Learning to Write Rationally: How Information Is Distributed in Non-Native Speakers' Essays
- 用意外度与熵率稳定性分析信息分布模式
- 高水平学习者能降低语言生成的不确定性
- 信息分布均匀性在不同水平学习者间差异小
人们倾向于在语言表达中均匀分布信息，以实现更清晰的沟通。本研究比较了具有不同母语背景的第二语言学习者所写的作文，探究他们在第二语言（L2）写作中的信息分布特征。通过分析意外度（surprisal）与熵率稳定性（constancy of entropy rate），发现高水平学习者可在保持信息量的同时，降低语言生成的预期不确定性。然而，不同群体第二语言写作者的信息分布均匀性变化较小，表明这一特征可能在第二语言写作中具有普遍性，受母语背景和二语水平的影响较弱。
原文摘要 · Abstract (English)
People tend to distribute information evenly in language production for better and clearer communication. In this study, we compared essays written by second language learners with various native language (L1) backgrounds to investigate how they distribute information in their non-native language (L2) production. Analyses of surprisal and constancy of entropy rate indicated that writers with higher L2 proficiency can reduce the expected uncertainty of language production while still conveying informative content. However, the uniformity of information distribution showed less variability among different groups of L2 speakers, suggesting that this feature may be universal in L2 essay writing and less affected by L2 writers' variability in L1 background and L2 proficiency.
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