How can you tell whether what you read online is accurate? Read this free lesson on how to judge online information.
The truth is, it depends on how you use Wikipedia. It can be a great starting point for your research, but you shouldn't assume that all of the information is true. Instead, use the references at the bottom of an article to find the original sources. Then you'll need to evaluate those sources to see whether they are reliable.
Keep in mind that some Wikipedia articles are better than others. For example, try comparing the following two articles:
No matter what kind of research you're doing, it's important to look at multiple sources. Even a reliable website may not include all of the relevant information. Using multiple sources allows you to see all sides of a story, which gives you a better perspective than if you had only looked at one source.