Aka (2019) conducted an year-long large-scale study demonstrating that Japanese high school students who undertook extensive reading performed better than a control group who undertook grammatical instruction. Those showing the greatest gains were those of lower and intermediate proficiency. The students' achievement was measured in terms of…

The Extensive Reading Foundation's bibliography now boasts over 530 articles with "Extensive Reading" in the title. About 35% of this rich and diverse body of papers were published in the past decade. A meta-review of this literature shows it is quite fragmented as evidenced by considerable variability in the conceptualization of…

This study investigates the vocabulary learning opportunities in an ELT course book designed for upper-intermediate learners. All the words appearing in the 12 chapters of the text were analyzed. The results suggest that the text would provide opportunities to deepen knowledge of the second 1,000 most frequent words in English, and would provide a…

Opportunities for incidental vocabulary acquisition were explored in a 121,000-word corpus of teacher talk addressed to advanced adult learners of English as a second language (ESL) in a communicatively-oriented conversation class. In contrast to previous studies that relied on short excerpts, the corpus contained all of the teacher speech the…

Fourteen collections of children's reading materials were used to investigate the claim that collections of authentic texts with a common theme, or written by one author, afford readers with more repeated exposures to new words than unrelated materials. The collections, distinguished by relative thematic tightness, authorship (1 vs. 4 authors),…