We develop an approach to utilize anisotropic metamaterials to solve one of the fundamental problems of modern plasmonics--parasitic scattering of surface waves into free-space modes, opening the road to truly two-dimensional plasmonic optics. We illustrate the developed formalism on the examples of plasmonic refractor and plasmonic crystal, and discuss limitations of the developed technique an...

This research aimed to probe the effect of two different models of metacognitive strategy instruction on the listening performance of EFL learners in Iran. 83 intermediate EFL learners in four groups, two male and two female groups were the participants. The participants in the first experimental groups – a male and a female group – were undergone a ten-week treatment including the linear strat...

Innovative mobile-based tools have made new opportunities for learners to spend more quality time inside the classrooms. Keeping this in mind, the present study sought to examine the effect of the flipped classroom on developing EFL learners’ speaking and listening skills. To do so, 60 EFL students from two universities in Iran were assigned into one of the classes of flipped and conventional g...

Listening is an important language skill to develop in terms of second language acquisition (SLA). In spite of its importance, second language (L2) learners often regard listening as the most difficult language skill to learn. This paper reviews a variety of recent research on listening comprehension to provide a basis for creating more effective listening instruction. It begins with a brief di...

the concept and phenomena of listening is inevitably, consciously or unconsciously in their daily encounter, hence it is necessary to acquire more knowledge in order to have effective utilization of this concept. the art and skill of good listening will utgrade the quality of our communication with our coworkers and other organization members and enables us to catch the attention, sympathy, aff...

This research study investigated the development of listening proficiency level by the aid of different media- tional artifacts in Systemic Theoretical Instruction (STI). The study considered whether exposing learners to different types and various numbers of mediating artefacts would increase their awareness towards listen- ing concepts after two months, and consequently promote their listenin...

this study aimedat investigating the difference between male and female iranian upper-intermediate efl learners in terms of critical thinking, meta-cognitive awareness listening strategies, and selection of meta- cognitive listening strategies. to this end, one hundred and fifty language learners (including males and females with average age of 26.5) were selected through homogenised process to...