In this article, Charlie Taylor offers a commentary on Yang et al.'s 2021 "Reading in a Foreign Language" article, "Text Difficulty in Extensive Reading: Reading Comprehension and Reading Motivation." In their study, Yang et al. analyzed the effects of text difficulty on the reading comprehension and motivation of high school…

In the late 1980s Batia Laufer worked with teachers who believed that to understand a text it was enough to understand 80% of the text's word tokens. In response, Laufer set out to calculate the minimal text coverage, i.e., percentage of running words in a text the reader should understand to comprehend it reasonably well. In 1992, she explored…