In a two year design research project, a serious game was developed in a close collaboration of educational researchers, game-designers and secondary school teachers. In a first round, the game was used in classroom employing an open-inquiry format. It was found that the game had a strong impact on the student’s conceptual development but that it provoked the construction of misconceptions. The...

Soon after the discovery of x-rays by Roentgen, radioactivity by Becquerel, and radium by the Curies, it was concluded that x-rays could not only be used for diagnostic purposes but also for therapy [1,2]. In the early years of radiation therapy, physicians had little understanding or knowledge of the physical nature and biological effects of radiation, the delivered doses were not certain, the...

To the Editor: Hepatitis B virus (HBV) and other bloodborne pathogens are occupational hazards for healthcare workers (HCWs) who are exposed to blood and body fluids in occupational settings.1,2 The Centers for Disease Control and Prevention had estimated that 6,800 HCWs whose jobs entail exposure to blood become infected with HBV each year.3 The hazards can be reduced by use of Universal Preca...

in descriptive statistics, there are two computational algorithms for determining the variance s2, of a set of observations : algorithm 1: s2= - , algorithm 2: s2= , where . it is interesting to discuss, which of the above formulas is numerically more trustworthy in machine numbers sets. i this paper, based on total effect of rounding error, we prove that the second algorithm is better than ...

Abstract Numerous studies show that children and young people in out-of-home care (OOHC) face significant disadvantage completing high school accessing post-secondary education. The current research involved a two-round Delphi survey which aimed to identify educational challenges reforms improve the experiences of OOHC. A total 45 participants from three OOHC stakeholder groups (carers OOHC, pr...

background: current evidence consistently confirm inequalities in health status among socioeconomic groups, gender, ethnicity, geographical area and other social determinants of health (sdh), which adversely influence health of the population. sdh refer to a wide range of factors not limited to social component, but also involve economic, cultural, educational, political or environmental proble...

The Korean Journal of Anesthesiology, the official journal of the Korean Society of Anesthesiologists, recently introduced the Statistical Round as a new publishing category for the year 2015. The Aims and Scope section of the journal explains that the Statistical Round category provides educational material to help the reader understand the designs of experimental and statistical analyses used...