Textbooks are an important source of knowledge input on which the transmission of academic knowledge often relies, especially in the early stages of academic learning. Adopting a corpus-based approach, this study evaluates the text difficulty of science textbooks used in secondary English-medium instruction schools in Hong Kong, with a focus on…

English for specific purposes research reveals that learners at a variety of levels experience difficulty reading science text, sufficient to impede their acquisition of science understanding. However, little research exists regarding subject-specific language styles or reading difficulty in Arabic. Difficulties with specialised language may…