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…

The usability of Identity Management (IdM) systems is highly dependent upon design that simplifies the processes of identification, authentication, and authorization. Recent findings reveal two critical problems that degrade IdM usability: (1) unfeasible techniques for managing various digital identifiers, and (2) ambiguous security interfaces.…

This article describes data requirements in Public Law 99-457; discusses issues confronting states as they develop data systems, such as the problems of comprehensiveness, incompatibility, and confidentiality; examines data on numbers of infants and toddlers receiving early intervention services; and explores applications of a national database on…