Blue Nile conducted a study which shows the importance of rich snippets in search results.
Search results enhanced with author images and star reviews perform better than standard links, even if they appear lower than the standard links. These media rich snippets often get more attention of the users as compared to the basic snippets.
Rich snippet in position 2 receives 61% clicks on average while the standard link in position 1 gets 48% of the click share. A standard link in position 2 will get only 35% of the clicks.Media Rich Snippets In Position 2 Get more Clicks Than Basic Snippets In Position 1: Study,