Literature is replete with the studies focusing on the role of vocabulary knowledge in second language receptive skills. However, the relationship between the aspects of vocabulary knowledge and productive skills in general, and the speaking performance in particular has remained scanty in the related literature. This paper examined the relationship between knowledge of L2 vocabulary size at di...

Based on the performance assessment of speech synthesis systems for Chinese the total quality evaluation of them has been carried out regular since 1994. The total quality evaluation includes speech intelligibility test at different levels (syllable, word and sentence), speech naturalness test and antiinterference ability test for phonetic module and text processing ability test for linguistic ...

in this paper the ability of economic and accounting performance measures in explaining values of companies have been evaluated. economic value added, refined economic value added and market value added are as economic performance measures and net income, operating income and operating cash flows is considered as accounting performance measures. in order to data analyzing and testing the search...

We report results from large-scale experiments in satis-ability testing. As has been observed by others, testing the satissability of random formulas often appears surprisingly easy. Here we show that by using the right distribution of instances, and appropriate parameter values, it is possible to generate random formulas that are hard, that is, for which satissability testing is quite diicult....

Dot arrays are often used to study basic numerical skills across cultures, species and development. Researchers investigate the ability of subjects to discriminate between dot arrays, as a function of the ratio or distance between their numerosities. Such studies have contributed significantly to the number sense theory (i.e., that humans are born with the ability to process numerosities, and s...

Spatial ability predicts performance in mathematics and eventual expertise in science, technology and engineering. Spatial skills have also been shown to rely on neuronal networks partially shared with mathematics. Understanding the nature of this association can inform educational practices and intervention for mathematical underperformance. Using data on two aspects of spatial ability and thr...

Recent international efforts to sequence the human genome have greatly enhanced our ability to test definitively for many genetic conditions. For many, this has been welcome, allowing the diagnosis of disorders that have been previously only suspected. This has also led to the advent of the ‘unpatient’ [1], where there is an increasing ability to test healthy individuals for genetic conditions ...

Persons with a spinal cord injury (SCI) demonstrate strength deficits that can limit their functional ability to perform activities of daily living. For a specific lesion level, performance of functional activities is related to the level of muscle strength. Consequently, in clinical practice, we need reliable measures of muscle strength to determine mobility and self-care ability. Muscle-stren...