as a quilt teacher, I find that the ones who do not catch on as fast are the one who I give more time to, to make sure that they can do the project we are working on. Each class I have given there are different levels of quilting ability, and I gear the class to that end. The more advanced students may make a full size quilt, while the ones who are just starting out may make a table runner or wall quilt. But I make sure that every one has a finished project when the class is over.