Use the default star , or choose from thousands of icons, and you'll be sure to find one that fits just right.
Jump to next screen on click
Rather than having a button, have the next screen load immediately after a selection is made.
Be sure to add a comma (,) after typing in desired top labels, such as very good or very bad, so they are added.
Show tooltip on hover
A tooltip is an element displayed as an informational text box when hovering over an item. This usual indicated the amount that is being hovered over.