With the openness of the resources on the Internet, we save much time going back and force to the library to find the information that we need. With some key words and a click, everything that related will automatically list for you. It's a big convenience for people. Students and teachers also benefited a lot from this high-tech development. Teaching and learning can all be done online and the access to the information and knowledge also give students the chance to learn more as many as possible.
However, with the development of the Internet, the crowd gradually turn into the role of producing the information and resources. Everyone is able to edit the information on the web, such as Wiki. There is no guarantee of the authority of the materials, which makes people who want to use the material in academic environment hesitate to do so.
Using Internet as a teaching tool in the classroom is a great idea, but teachers have to be fully aware of the authority and the reliability of the resource and the information on the website. The website evaluation criteria that Cornell library website offers can offer teachers great help in choosing and using the online resources. It does not only provide the criteria from Cornell University but also from other famous University in American, such as UC Berkeley , John Hopkins University. Those criteria covers the the authority, accuracy, objective, currency, etc.
Besides the criteria, it also offers some other website links for looking for the reliable websites and some articles that related to this issue for people who need to a research on it or want to have a better understanding.

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