a growing body of research has indicated that students of esl/efl are reticent and unwilling to be engaged in oral activities in english lessons. communicative language ability includes speaking ability, so vocabulary knowledge plays an integral role in speaking a language. however, there have been few studies examining the degree to which vocabulary knowledge affects speaking ability. the pres...

BACKGROUND Research has shown that the classical Stegomyia indices (or "larval indices") of the dengue vector Aedes aegypti reflect the absence or presence of the vector but do not provide accurate measures of adult mosquito density. In contrast, pupal indices as collected in pupal productivity surveys are a much better proxy indicator for adult vector abundance. However, it is unknown when it...

this study considered the production economics of coffee in pakuwa village development committee of parbat district, nepal. household survey was done in june 2014. data collection was done using semi-structured pre-tested questionnaire administered on 40 coffee producers selected randomly. gross margin analysis, profitability index and the benefit-cost ratio was used to analyze the production e...

We discuss the effect on finite machine implementation of chaotic system on randomness. We show that the most significant bit even for fully developed chaotic systems implemented with high precision (using 1000-bit arithmetics) is not random. We propose chaos-based pseudo-random bit generators and discuss their efficient software implementation.

The delay and dispersion of the packet train have been widely used in most network measurement tools. The timestamp of the packet is critical for the measurement accuracy. However, timestamping performed either in the application or the kernel layer would be easily affected by the source and destination hosts especially in high-speed network. Therefore, to evaluate the impact of the timestamp p...

This paper develops a firm-dynamics model with heterogenous firms and endogenous currency debt composition to jointly study financing and investment decisions in developing economies. In our model, foreign currency borrowing arises from a trade-off between aggregate deviations from the risk-free uncovered interest rate parity and firms’ growth potential. Crucially, there is crosssectional heter...

The objective of this research is to determine (i) the quantity and quality of publications in biomedical research in top-producing countries in West Africa during 2005–2014, as well as (ii) the characteristics of the journals used by the researchers and collaborative evidence in the area. Data was drawn from MEDLINE/PubMed and Google Scholar, while the impact factors of the journals were retri...

background and purpose: multiple choice tests are the most common type of tests used in evaluating the general english knowledge of the students in most medical universities, however the efficacy of these tests are not examined precisely. we compare and examine the integrative tests and discrete point tests as   measures of the english language knowledge of medical students. methods: three test...

Are there individual differences in children's prediction of upcoming linguistic input and what do these differences reflect? Using a variant of the preferential looking paradigm (Golinkoff, Hirsh-Pasek, Cauley, & Gordon, 1987), we found that, upon hearing a sentence like, "The boy eats a big cake," 2-year-olds fixate edible objects in a visual scene (a cake) soon after they hear the semantical...