Centre for Evidence-Based Medicine (CEBM). In the link below you will find a list of PowerPoint presentations used in workshops at the CEBM. They are free of charge, and you are free to use and modify these presentations, but if you do, it is important to acknowledge the original author in them.
Understanding Evidence-based Healthcare: A Foundation for Action online course. This web course has been created by the United States Cochrane Center as part of a project undertaken by Consumers United for Evidence-based Healthcare (CUE), and is designed to help consumer advocates understand the fundamentals of evidence-based healthcare concepts and skills. Registration is open and free of charge.