Because the relationship between computer use and achievement is still puzzling, there is a need to prepare and analyze good quality datasets on computer use and achievement. Such a dataset can be derived from TIMSS data. This paper describes how this dataset can be prepared. It also gives an example of how the dataset may be analyzed. The…

Using a design-based research approach, we developed a data-rich problem (DRP) set to improve student understanding of cellular respiration at the ecosystem level. The problem tasks engage students in data analysis to develop biological explanations. Several of the tasks and their implementation are described. Quantitative results suggest that…

The Oregon Vo-Tech Math Project is designed to provide verbal problem sets for use in vocational education programs in secondary schools and community colleges. A subset of the problem booklets was subjected to evaluation in 12 secondary schools and 7 community colleges in an effort to make the materials more meaningful to students, improve…