With only about a third of students in US public schools achieving the NAEP Proficient level, many educators believe students are not getting enough reading practice. However, how much reading practice is enough? This study quantifies the relationship between the amount of book reading and the expected number of words learned. We collected 45…

This study evaluates the potential for incidentally learning early reading vocabulary through the extensive viewing (EV) of children's movies/television with subtitles. Recent research has investigated how much exposure to important vocabulary EV and extensive reading (ER) provides. Investigations compute the number of repetitions of target…

Background: This small-scale study investigated English vocabulary exposure from graded readers and teacher talk in Grade 3 classrooms in poorly resourced township schools in South Africa. Vocabulary is one of the key building blocks for becoming a fluent reader. Most words are learnt through incidental exposure to oral or written language.…