Research has shown that getting things wrong actually facilitates learning (Scientific American, 20th October, 2009). Getting things wrong helps with memory and challenges the brain to learn. The research suggests that if we challenge ourselves to retrieve or generate answers we can actually improve our memory recall (remember the adage – the neurons that fire together, wire together)
Source: Roediger, H. L & Finn, B. (2009). Getting It Wrong: Surprising Tips on How to Learn. Scientific American.