Converging E-learning Technologies from Diverging Perspectives: Assistive and Educational Technology
In this cooperative inquiry, the authors examined the overlapping boundaries that are emerging between assistive technologies (AT) and instructional technologies (IT) in the context of new and ever-more powerful digital tools for learning and instruction. Similarities were revealed in disciplinary perspectives on definitions, adoption and use, research objectives, and growing emphases on human motivation and agency. Institutional barriers remain in bridging gaps, but potential processes and projects for developing new communities of practice are identified.
The development of accessibility practices in e-learning: an exploration of communities of practice
The UK’s 2001 Special Educational Needs and Disability Act has charged learning technologists with the responsibility of ensuring that electronic teaching materials can be accessed by disabled students. In an attempt to explore how learning technologists are developing practices to produce accessible electronic materials this paper will present a review of the accessibility literature and identify key issues that may influence the ‘accessibility’ practices of learning technologists. These emerging issues are interpreted using Wenger’s theory of communities of practice, with a particular emphasis on the development of accessibility practices that may be shared by a number of related communities of practices and on how the focus of accessibility practices may soon shift from the product to the process of accessibility. DOI: 10.1080/0968776042000211539
Enumeration of total coliforms, fecal coliforms, and Escherichia coli in foods by hydrophobic grid membrane filter: supplementary report.
Raw, comminuted poultry meat was used to determine the specificity of the media and incubation conditions used in the hydrophobic grid membrane filter method. Confirmation rates for target colonies were 100% for total coliforms, 98% for fecal coliforms, and 97-99% for Escherichia coli. The results of total coliform enumeration in 30 pasteurized milk samples by both the hydrophobic grid membrane filter method and AOAC method 46.013-46.016 are also reported.