The Java software jBar consists of a graphical user interface that allows the user to customize and assemble an included script for R. The scripted R pipeline calculates means and standard errors/deviations for replicates of numerical bivariate data and generates presentations in the form of bar graphs. A two-sided Student's t test is carried out…

Learner centred design methods highlight the importance of involving the stakeholders of the learning process (learners, teachers, educational researchers) at all stages of the design of educational applications and of refining the design through an iterative prototyping process. These methods have been used successfully when designing systems…

Examines the developmental needs for Web-based courses, focusing on content, user interface, and pedagogy. Studies the Web course development process as a system, explores various stages in the process, and includes graphs and tables designed to be used as management tools for the effective development of Web-based courses. (Author/LRW)

Described is how the computer was used in an environmental education module to develop students' decision-making skills and the concepts of probability. The computer was also used to analyze the presence of lead in the environment. (KR)