esters with carbonyl, phosphoryl, and thionyl linkages, are subject to enzymatic hydrolysis. Pesticide hydrolysis by esterases and amidases from plants and microorganlsms can serve as a deloxification or activation mechanism that can govern pesticide sel€ctivity or resistance, and initiate or determine the rate of pesticide biodegradation in the environment. Substrate specificity of esterases a...

the phenomenon of how tests influence teaching and learning is commonly described as “wash back”in language instruction. literature indicates that wash back effect is a complex concept that becomeseven more complicated under different interpretations of the wash back phenomenon in teaching andlearning. in the present study, some definitions of wash back and its two major types were introduced,a...

gaining insights into the learners’ individual characteristics such as beliefs about language learning and their relationship with learning strategies is essential for planning effective language instruction. thus, the present study investigated the relationship between beliefs about language learning and learning strategy use in iranian high school students. this study also compared the correl...

The phenomenon of how tests influence teaching and learning is commonly described as “wash back” in language instruction.  Literature indicates that wash back effect is a complex concept that becomes even more complicated under different interpretations of the wash back phenomenon in teaching and learning. In the present study, some definitions of wash back and its two major types were introduc...

The present study investigated the possible difference between EFL teachers’ beliefs and their actual classroom practices. To this end, 210 Iranian EFL teachers (103 teachers from high schools and 107 from language institutes) participated in the study. The 45-item Likert-scale Beliefs About Language Learning Inventory (BALLI) developed originally by Horwitz, (1985) and validated by Kasraee Nej...

Gaining insights into the learners’ individual characteristics such as beliefs about language learning and their relationship with learning strategies is essential for planning effective language instruction. Thus, the present study investigated the relationship between beliefs about language learning and learning strategy use in Iranian high school students. This study also compared the correl...