Assimilating multiple interactive elements simultaneously in working memory to allow understanding to occur, while solving an equation, would impose a high cognitive load. "Element interactivity" arises from the interaction between elements within and across operational and relational lines. Moreover, operating with special features…

The study was designed to probe students' thinking about which numerical values can be assigned to algebraic letters. The data from students in Year 7 (n = 533), Year 8 (n = 377) and Year 9 (n = 172) was analysed using response patterns. The data confirmed that each year contained students with two misconceptions; "Different Letter means…

This article reports on the results of a paper-pen questionnaire study involving certain key aspects of the nature of science. The questionnaire covers, among other things, aspects such as uniqueness of the scientific method, objectivity of scientific data, and immutability of scientific laws. The survey was given out to eighty trainee teachers…

This paper examines the extent of patients' health-related learning from a range of sources and aims to identify psycho-cognitive variables that predict learning. Using a survey design, we found that people higher in perceived health competence were lower in anxiety and took a more logical approach to decision making. Low perceived health…

Attention-Deficit/Hyperactivity Disorder (ADHD) is a common childhood disorder, yet relatively little research has assessed teachers' knowledge of this disorder or how teacher characteristics affect such knowledge. There also is a dearth of research comparing in-service and preservice teachers' knowledge about ADHD. The aims of this study were (a)…

The Second International Conference on Educational Data Mining (EDM2009) was held at the University of Cordoba, Spain, on July 1-3, 2009. EDM brings together researchers from computer science, education, psychology, psychometrics, and statistics to analyze large data sets to answer educational research questions. The increase in instrumented…