Graduate Certificate in Conflict Resolution. The Graduate Certificate in Conflict Resolution (GCCR) allows graduate students and working professionals to study the theory and practice of conflict resolution and develop skills that are valued in a wide range of professions, including public administration, business, law, education, social work, urban planning, and human resource management. May 30, 2017 · Five Major Conflict Management Styles* Knowing when and how to use each style can help control conflict and lead to an improved working environment, resulting in a better bottom line. Collaborating Style : A combination of being assertive and cooperative, those who collaborate attempt to work with others to identify a solution that fully ... No, the Diversity Management Certification includes all of the course work you'll need to prepare for the certification exam. Is the Certification Test Difficult? This test is open book, however it is also timed, so you will not have much time to look up answers to questions.