Research

Science powers our mission.
Our learning model is backed by leading educational experts. Interested? Read on!

Publications

Unknown Vocabulary Density and Reading Comprehension

M. Hu and P. Nation
Reading in a Foreign Language, 2000

Principles and Practice in Second Language Acquisition

S. Krashen
‍Principles and Practice, USC, 1982

Second Language Acquisition and Second Language Learning

S. Krashen
‍USC, 1981