During the past two decades, "event-driven programming" (EDP) has emerged as a central and almost ubiquitous concept in modern software development: Graphical user interfaces are self-evident in most mobile and web-based applications, as well as in many embedded systems, and they are most often based on reacting to events. To facilitate…

In an educational environment, instructors would always think of ways to provide students with motivational learning materials and efficient learning strategies. Hence, many researchers have proposed that students' problem-solving ability enhances their learning. Problem-solving ability plays an important role for users in dealing with problems…

In the 1960s, the MIT (Massachusetts Institute of Technology) developed a programming language called LOGO. Underpinning this invention was a profound new philosophy of how learners learn. This paper reviews research in the area and asks how one notion in particular, that of a microworld, may be used by secondary school educators to build powerful…

In the first issue of "Australian Educational Computing," in 1986, Cumming and Abbott reported a controlled comparison of top-down and bottom-up teaching strategies for Grade 5 and 6 students' use of a simple logic programming language. They found that both strategies were rated highly by students and teachers, and gave useful learning;…