Sixty target words were selected from two sets of graded readers. One set contained three readers with the same title, "The Railway Children," and the other set, three books about Sherlock Holmes. Students chose one of the two sets to read and were given a pretest, an immediate posttest, and a five-week delayed posttest on their…

This study systematically examines the moderating effects of task type and L2 proficiency on the relationship between L1 and L2 simultaneously across reading and writing tasks with different levels of cognitive complexity. Main and moderating effects were evaluated through structural equation modeling analyses. First, both L1 skills and L2…

Sixty English as a foreign language learners were divided into high-, intermediate-, and low-level groups based on their scores on pretests of target vocabulary and Vocabulary Levels Test scores. The participants read 10 Level 1 and 10 Level 2 graded readers over 37 weeks during two terms. Two sets of 100 target words were chosen from each set of…

We report the results of a 2-year longitudinal comparison of grade 3 and grade 4 English-as-a-second-language learners in an experimental, comprehension-based program and those in a regular (i.e., more typical) language learning program. The goal was to examine the extent to which sustained, long-term comprehension practice in both listening and…

Reviews recent research on incidental vocabulary acquisition in second language. Discusses key unresolved issues such as the actual mechanism of incidental acquisition, type and size of vocabulary needed for accurate guessing, degree of exposure to a word needed for successful acquisition, efficacy of different word-guessing strategies, value of…