Yes, really -- Wikipedia can be a very helpful tool for conducting online research. As with any encyclopedia, Wikipedia should be a place where you begin finding topics and gathering your research, but it shouldn't be in your final citations for your project. For tips on how to use Wikipedia effectively, see their Research help article.
Using the CRAAP Test
Currency: The timeliness of the information.
When was the information published or posted?
Has the information been revised or updated?
Does your topic require current information, or will older sources work as well?
Are the links functional?
Relevance: The importance of the information for your needs.
Does the information relate to your topic or answer your research question?
Who is the intended audience?
Is the information at an appropriate level, i.e., not too elementary or advanced for your needs?
Have you looked at a variety of sources before determining this is one you will use?
Would you be comfortable citing this source in your research paper?
Authority: The source of the information.
Who is the author, publisher, source, or sponsor?
What are the author’s credentials or organizational affiliations?
Is the author qualified to write on the topic?
Is there contact information, such as a publisher or email address?
Does the URL reveal anything about the author or source? Examples: .com .edu .gov .org .net
Accuracy: The reliability, truthfulness, and correctness of the content.
Where does the information come from?
Is the information supported by evidence?
Has the information been reviewed or referenced by other authors?
Can you verify any of the information in another source or from personal knowledge?
Does the language or tone seem unbiased and free of emotion?
Are there spelling, grammar, or typographical errors?
Purpose: The reason the information exists.
What is the purpose of the information? Is it to inform, teach, sell, entertain, or persuade?
Do the authors/sponsors make their intentions or purpose clear?
Is the information fact, opinion, or propaganda?
Does the point of view appear objective and impartial?
Are there political, ideological, cultural, religious, institutional, or personal biases in the writing?
Tips for Researching Effectively on Google
Click on the above image to see the full infographic on searching Google efficiently at HackCollege.