Neuroticism vs. emotional stability subscale of the Big Five Inventory, would be relevant.

A sample reference: John, O. P., & Srivastava, S. (1999). The Big-Five trait taxonomy: History, measurement, and theoretical perspectives. In L. A. Pervin & O. P. John (Eds.), Handbook of personality: Theory and research (Vol. 2, pp. 102–138). New York: Guilford Press.

Thank u very much dear Dr. Cinar Kaya for this help

This is the most recent source, I Know of:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3105556/

Thank u v much Voila