Larkey, L. K. (1996). The development and validation of the workforce diversity questionnaire: An instrument to assess interactions in diverse workgroups. Management Communication Quarterly, 9(3), 296-337.
Article The Development and Validation of the Workforce Diversity Qu...
This doctoral dissertation might have something relevant:
Vinson, L. D. (2014). An exploration of workforce diversity management principles & practices in nursing homes
Buckingham, C. D. E. (2010). A case study exploring the impact of managing workplace diversity on diversity awareness and employee job satisfaction. Capella University.
Rao, S. R., & Bagali, M. M. (2014). Workforce Diversity and Management: An Empirical Study on Relationship Between Diversity Management Practices, Obstacles and Acceptance of Gender Diversity Among Employees in IT Industry; Bangalore. Journal of Business and Management, 16(2), 12-25.
Global Diversity and Inclusion Benchmarks: Standards for Organizations Around the World By Julie O’Mara, Alan Richter, Ph.D., And 80 Expert Panelists (2014). Available at: http://www.omaraassoc.com/pdf/GDIB_2014_Standard_A4_Version.pdf