ELT materials evaluation is an important professional activity for ELT professionals. However, there are questions on who should perform the evaluation. Although there is a recognized importance of collaboration between researcher and non-researcher-teachers, some scholars have raised their concerns on the possible divergence between these two…

Pawley and Syder (1983) pointed out that idiomatic expressions can be discussed in terms of nativelike selection (NLS), which refers to the ability of the native speaker to express his/her intended meaning using an expression that is not only grammatical but also nativelike. In the current study, Pearson's correlation coefficients were used to…