Gamification is the use of game elements in domains other than games. Gamification use is often suggested for difficult activities because it enhances users’ engagement and motivation level. Due to such benefits, the use of gamification is also proposed in education environments to improve students’ performance, engagement, and satisfaction. Computer science in higher education is a tough area of study and thus needs to utilize various already explored benefits of gamification. This research develops an empirical study to evaluate the effectiveness of gamification in teaching computer science in higher education. Along with the learning outcomes, the effect of group size on students’ satisfaction level is also measured. Furthermore, the impact of gamification over time is analyzed throughout a semester to observe its effectiveness as a long-term learning technique. The analysis, covering both learning outcome and students’ satisfaction, suggests that gamification is an effective tool to teach tough courses at higher education level; however, group size should be taken into account for optimal classroom size and better learning experience.
Summary and conclusionsBlood lead concentrations were measured in 62 Asian children, of whom 37 had definitely had surma applied to their eyes and 25 were thought not to have done. The mean concentration in those who had not used surma was 0-98± SD 0-42 tumol/l (20-3±8-7 ,ug/100 ml) compared with 1-65±0-68 imol/l (34-2±14-1 Ctg/100 ml) in those who had. Analysis of 29 different samples of surma showed 23 of them to be composed largely of lead sulphide.We conclude that the use of surma is associated with high blood lead concentrations. In our cases most of it had been obtained abroad, and hence government restrictions might be ineffective in limiting its use: a better method of prevention might be to inform the leaders of Asian communities of the risks.
This paper presents a polarization-independent 11-bit chipless RFID tag based on frequency-selective surface which has been designed for encoding and relative humidity (RH) sensing applications. The 10 exterior U-shaped resonators are used for item encoding whereas Kapton has been incorporated with the interior resonator for RH sensing. This radio-frequency identification (RFID) tag operates in S- and C-frequency bands. The proposed design offers enhanced fractional bandwidth up to 88% with the density of 4.46 bits/cm2. Both single- and dual-layer tags have been investigated. The simulated results are in good agreement with measured results and a comparison with existing literature is presented to show the performance. Simple geometry, high code density, large frequency signature bandwidth, high magnitude bit, high radar cross-section, and angular stability for more than 75° are the unique outcomes of the proposed design. In addition, RH sensing has been achieved by integrating the Kapton on the same RFID tag.
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