Expertise required to serve maintenance functions is also a consideration here. Such questions as who loads software onto the system and who runs virus detection programs are also part of maintenance functions. The less a system intervenes on a school schedule the better. Library, electronic information systems, counseling, and enrollment services greatly augment learning from a distance. Development should focus on skill building so that the interactive and integrative features of the technology can be used to their fullest extent.
Partnerships also provide opportunities to share best practices and exchange creative ideas.
Ethical criteria are those that are concerned with technology access. In K-12 education DLTs have been used primarily by advanced placed and accelerated paced students. Some schools have used access to educational technologies as a reward for exemplary achievement or deportment. Ethical use of DLTs require technological availability to diverse learning audiences and a sustained effort to make formerly estranged student groups aware of the opportunities DLTs provide. Summary The criteria presented here for evaluating DLTs is not exhaustive.