Reading materials are considered having high readability if readers are interested to read the materials, understand the content of the materials and able to read the materials fluently. In contrast, reading materials with low readability discourage readers from reading the materials, create difficulties for readers to understand the content of…

This paper reports activities (as part of a university course in language teacher education on teaching reading) in which primary school student teachers (all ESL in-service teacher trainees) explored their own skills of determining textbook readability using an online software tool and a cloze test completed by two hundred and seventy-eight Grade…