Letter from the Editors
Joseph P. Vitta and Christopher Nicklin

Challenges in the Assumptions of Using a Flemma-based Word Counting Unit
Tomoko Ishii, Phil Bennett, and Tim Stoeckel

Predicting Japanese Primary Schoolchildren’s English Vocabulary Knowledge from a Sound-Meaning Recognition Test
Kohei Kanayama

Longitudinal Measurement of the Vocabulary Size of Japanese Junior High School Students: Developing a Vocabulary Size Test for Beginner Learners
Tsuyoshi Sato

“That Sounds About Right”—Lexical Bundle Naturalness Intuitions in Japanese Learners of English
Julian Northbrook and Kathy Conklin

WordUp: An App that Teaches English Words through Extensive Exposure to Authentic Materials
Musa Nushi, Alireza Aghaei, and Maryam Roshanbin