Differentiation and Segmentation-Human Resource Management homework help

After reviewing the reading material about the terms differentiation and segmentation, provide two ways an organization can segment it’s workforce, and include how this impacts total rewards (meaning, does employee eligibility for rewards vary based on this differentiation/segmentation?). Use a minimum of one reference from the class materials to support your discussion

References.
Black, Ann. “Total Rewards.” Benefits & Compensation Digest. Vol. 44, Issue 11, pp. 32-36. Excerpt from the book Communicating Employee Benefits, Changing Methods and Changing Minds and Effective Benefits Communication. Nov., 2007.
Christofferson, J.; and King, B. (2006). “The ‘IT’ factor: A new total rewards model leads the way.” Workspan, http://www.worldatwork.org
Constellation Total Rewards Statement. Retrieved May 4, 2008, from http://www.constellation.com/
Erickson, T.J.; and Gratton, L. (March, 2007). “What it means to work here.” Harvard Business Review.
Kaplan, S. (2005). “Total rewards in action: Developing a total rewards strategy.” Benefits & Communication Digest. Vol. 42, Issue 8, p 32-2.
Manas, T.; and Graham, M. (2003). Creating a total rewards strategy: Toolkit for designing business-based plans. New York: American Management Association, AMACOM.
Maslow, A. H. (1954). Motivation and personality. New York: Harper.
Mercer. (2007). “Compensation trends of the future: Designing a sustainable global total rewards strategy.” White paper. Retrieved MArch 1, 2008, from http://www.mercer.com
Salopek, J. (2008). “Retention buzz.” Training and Development. Alexandria: Jan. Vol 21, Issue 1, pp. 23-25.
Smolkin, S. (2007). “Total reward statements promote attraction, retention.” Employee benefit news. Canada: Vol 4, Number 4, pp. 27-28, Jul-Aug.
WorldatWork. (2007). The WorldatWork handbook of compensation, benefits & total rewards: A comprehensive guide for HR professionals. New Jersey: John Wiley and Sons.