Golfers looking to improve their putting may find an advantage in visualizing the hole as bigger, according to a new study from Purdue University. "People in our study made more successful putts in a smaller hole when a visual illusion helped them perceive it as larger," said Jessica K. Witt, an assistant professor of psychological science who studies perception in sports. "We know that how people perceive the environment affects their ability to act in it, such as scoring as basket or hitting a baseball, and now we know that seeing a target as larger leads to improved performance.