When you are logged in to My Account and you search the catalog, you will be able to rate items on a scale of 1 to 5 stars. Your rating will appear in gold stars next to the item.
If you wish to change your rating, you can do so by signing in to My Account, going to Ratings, and rerating the item(s) in the list.
You do not have to be signed in to see the average rating other people have given an item. It will appear in blue stars next to the item. If you are logged in and have rated an item, your rating will appear in gold stars. To see the average rating, move your mouse pointer over the stars. They will turn blue and show the average rating for the item.