It is generally observed that the textbooks employed in the classrooms play a crucial role in the process of teaching and learning a second/foreign language. As a result, a number of studies have been carried out to evaluate English Language Teaching (ELT) materials. Trying to contribute to this growing body of literature, the present study was conducted to evaluate the eight most popular global textbooks which are taught in Iranian ELT institutes in terms of their task types according to Nunans (1999) classification of the tasks.

Vocabulary is an indispensable component of language that affects different aspects of it such as the communication ability. Despite its importance, vocabulary teaching and learning in EFL contexts is mostly limited to classroom which cannot provide enough input for learners. Hence, it is reasonable to look for alternative ways to help learners in the process of vocabulary learning. Mobile Assisted Language Learning is one of such ways that have created new ways to help learners in the process of language learning and has the potential to extend vocabulary learning and teaching outside of the...