Wikipedia is an excellent starting point for research because of its vast and growing network of more than 30 million articles. Many professors and scholars do not recommend Wikipedia as a source of research because pages are collaboratively written and can be subject to errors and inconsistencies. In addition, some Wikipedia articles have been subject to vandalism, biased writing, and unsubstantiated claims. Even if you cannot use Wikipedia as a citable source, it still has an important place in the pre-research process.
When background researching a topic, Wikipedia is a great place to start. Understanding the background, history, and related terminology of a topic can help you discover scholarly and substantiated information from other sources like quality websites, books, or periodicals,