The score reliability of language performance tests has attracted increasing interest. Classical Test Theory cannot examine multiple sources of measurement error. Generalizability theory extends Classical Test Theory to provide a practical framework to identify and estimate multiple factors contributing to the total variance of measurement. Generalizability theory by using analysis of variance ...

As a preliminary experiment, seven Japanese students' speech was scored from 1 to 5 by linguistic experts. We also counted their error rates for each skill. We found that each intelligibility level is characterized by its distribution of error rates. Thus, we modeled each intelligibility level in accordance with its error rate. Error priority was calculated by comparing students’ error rate dis...

    Six sigma,   Rolled throughput yield, Organizational performance Six Sigma is a well- established approach to improve the capability of business processes in order to gain satisfaction of customers. The performance assessment of a given process is essential to some phases of six sigma methodology. So far, different indicators are used to demonstrate the performance of a process, while many ...

The animals with osteoarthritis suffer from clinical signs such as joint pain, reluctance to move, loss of performance and lameness. Many medical interventional methods are used manage but no described treatment can completely repair damaged cartilage yet. In this study, 40 male Wistar Albino rats were randomly assigned microfracture technique group, intra-articular hyaluronic acid + group cont...

in recent years, the balanced score card (bsc) has been the focus of considerable methodology for strategic cost management in management accounting area since it was originally proposed by kaplan ,r.s. and norton, d.p. in 1992. bsc is an approach to performance measurement based on both financial and nonfinancial information from four perspectives which are called financial, customer, internal...