A high-quality, low-cost, internet/intranet-based teaching file
نویسندگان
چکیده
منابع مشابه
Paying for high- and low-quality teaching
The extensive research on teacher quality has led to two conclusions. First, there are large and significant differences among teachers in terms of their capacity to improve student achievement. Second, these differences are not captured by common measures of teacher qualifications (E.A. Hanushek, Teacher quality, in: L.T. Izumi, W.M. Evers (Eds.), Teacher Quality, Hoover Press, Palo Alto, CA, ...
متن کاملHigh-quality Low-cost Low-frequency Filter for Adc Testing
− This paper deals with the generation of lowdistortion sine wave signal by means of low-cost filter for the purpose of ADC testing at the signal frequency of 20 kHz. The design and manufacture of such a filter is proposed and the functionality of a prototype is verified on a top digitizer.
متن کاملLow-Cost Comparisons of File Copies
The problem of maintaining consistency of replicas of large files has been addressed b y Barbara, Feijoo and Garcia-Molina [l], Barbara and Lipton [2], Fuchs, W u and Abraham [5] and Metzner [6]. Our model is essentially identical to that previously assumed. We present a scheme that provides all capabilities previously obtained as well as being able to detect and identify missing as well as ext...
متن کاملBroadly available imaging devices enable high-quality low-cost photometry.
This paper demonstrates that, for applications in resource-limited environments, expensive microplate spectrophotometers that are used in many central laboratories for parallel measurement of absorbance of samples can be replaced by photometers based on inexpensive and ubiquitous, consumer electronic devices (e.g., scanners and cell-phone cameras). Two devices, (i) a flatbed scanner operating i...
متن کاملSuccess Factors in Five High-quality, Low-cost Health Plans
In this report, the authors conducted case studies of five health plans that received high scores on quality and resource utilization, using data collected by the National Committee for Quality Assurance. The focus of this study was to understand how health plans with delivery systems that include a significant network of independent, community physicians achieve high performance. Plan leaders ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Digital Imaging
سال: 1998
ISSN: 0897-1889,1618-727X
DOI: 10.1007/bf03168306