In this work, the concentrations of the potentially toxic elements in stream sediments in SE Nigeria were assessed for pollution monitoring in mining, quarrying, and farming areas. The levels of iron, molybdenum, vanadium, copper, lead, zinc, nickel, cobalt, manganese, chromium, barium, and beryllium were determined. The concentrations of the elements were in the order of Fe > Ba > Mn > Cr > Zn...

E-Health systems include applications of information communication technologies to promote healthcare services support, delivery and education. The success of an E-Health system is very much dependent on the success of EHR systems, as EHR forms the core of any E-Health system. Readiness assessment has been identified as an essential requirement for the success of EHR in terms of adoption rate a...

E-Health systems include applications of information communication technologies to promote healthcare services support, delivery and education. The success of an E-Health system is very much dependent on the success of EHR systems, as EHR forms the core of any E-Health system. Readiness assessment has been identified as an essential requirement for the success of EHR in terms of adoption rate a...

0360-1315/$ see front matter 2009 Elsevier Ltd. A doi:10.1016/j.compedu.2009.11.001 E-mail address: [email protected] This research combines the idea of cake format dynamic assessment defined by Sternberg and Grigorenko (2001) and the ‘graduated prompt approach’ proposed by Campione and Brown (1985, 1987) to develop a multiple-choice Web-based dynamic assessment system. This research adopts ...

Peer assessment is a special form of collaborative learning, in which peer students learn through assessing others‟ work. Recently, the design of collaboration scripts is a new focus area within the CSCL community. In this paper, we present a method based on open e-learning standards to script peer assessment processes. A standard-compatible tool can help users to script various forms of peer a...