Evidence collected on the effectiveness of four educational technologies is briefly reviewed. The authors conclude that there is reasonable evidence that computer-assisted instruction can have at least a modest effect on improving learning and probably more when its instructional approaches are properly matched to instructional objectives, that…

The use of reflection and analysis in preparation of elementary and secondary preservice teachers has become a standard practice aimed at helping them develop the capacity to engage in intentional and systematic investigation of their practice. Editing video may be a more powerful tool than writing reflections based on memory to help preservice…