Updated in 2009, the Official PHR and SPHR Certification Guide is published by the HR Certification Institute, the certifying body for these exams. This thorough test-preparation guide is an ideal tool for human resource professionals preparing for certification as a Professional in Human Resources (PHR) or Senior Professional in Human Resources (SPHR). The guide is designed to provide HR professionals with relevant information about the PHR and SPHR Body of Knowledge (also known as the test specifications) on which these exams are based. The guide includes tips for exam preparation including suggested resources, and a practice exam, including answers, rationales for the answers and coding.