Familiarity and Application of Web 2.0 Technologies in Education and Learning by LIS Postgraduate Students

Background and Aim: Web 2.0 technology is considered as one of the most important communication technologies in higher education. The goal of this study was to determine the level of familiarity and use of web 2.0 technologies in education and learning by LIS postgraduate students of universities affiliated with MSRT[1] and MOHME[2] in Tehran. Methodology: This is an applied study of descriptive-correlational type that was conducted by survey. The statistical population of the study consisted of 197 postgraduate students of medical librarianship, informatics, and scientometrics who were selected by stratified random sampling. The data collection tool was a researcher-made questionnaire whose validity and reliability have been confirmed. Descriptive and inferential statistics were used for data analysis and significance determination, respectively. Results: Students had the highest familiarity with Wikis (mean of 4.26 and SD of 0.77) and the least familiarity with labeling and markup sites (mean of 2.85 and SD of 1.17). The level of familiarity with Web 2.0 technologies was higher in MOHME students than MSRT studnets, which showed a significant difference in this regard. Conclusion: The level of acquaintance and utilization of MSRT and MOHME students from Web 2.0 technologies is relatively good. It is expected to provide equal opportunities for all students in education and training to promote the application of Web 2.0 technologies through the inclusion of relevant lessons in students’ curricula and their use as educational tools. [1] Ministry of Science, Research and Technology [2] Ministry of Health and Medical Educatio

Zonation of coastal sediments based on the effective properties on the accumulation of heavy metals using the IDW and kriging method (case study: SW Iran)

This study investigated the effects of some physicochemical properties of sediments on the accumulation of heavy metals in portions of the Musa creek coasts (Jafari and Petrochemical creeks). Effective properties such as pH, EC, texture, GS, γd, n, CaCO3 and OM were determined. All variables showed a normal distribution and general trends of NW–SE and NE–SW. After detrending the variables, ordinary kriging was used for modelling. The C0/σ2, C0/σ2, and search radius criteria were used to select the best semivariogram. All the variables displayed a spatial structure with different intensities. The IDW method was also used for estimation. The cross-validation showed that the results of both IDW and kriging methods are almost similar. Distribution of the sand particle, GS, n and OM decreases with distance from the waterways, whilst clay–silt deposits. In the center of the studied area, CaCO3 has the highest value and EC has the lowest value