BLOOMINGTON, IL – July 30, 2007 -- Do you know how your clients learn?  Do you know how you receive information best?  Can you modify your communication to be its most effective with a co-worker?    These and more are the questions you should consider if your office productivity is not where you would like it to be.  The National Study Group on Chronic Disorganization (NSGCD) proudly awarded Stephanie L. H. Calahan with a Certificate of Study in Learning Styles and Modalities.