Burke, M. J., & Day, R. R. (1986). A cumulative study of the effectiveness of managerial training. Journal of Applied Psychology. 71(2), 232-245.

Guzzo, R. A., Jette, R. D., & Zatzell, R. A. (1985). The effects of psychologically based intervention programs on worker productivity: A Meta-analysis. Personnel Psychology, 38, 275-291.

Heaney, C. A. (1991). Enhancing social support at the workplace: Assessing the effects of the caregiver support program. Health Education Quarterly, 18(4) , 477-494.

Kagen, N. I., Kagan, H., & Watson, M.G. (1995). Stress reduction in the workplace: The effectiveness of psychoeducational programs. Journal of Counseling Psychology, 42(1), 71-78.

Marrow, C. C., Jarrett, M. Q., & Rupinski, M. T. (1997). An investigation of the effect and economic utility or corporate-wide training. Personnel Psychology, 50, 91-119.

Miron, D. & McClelland, D. C. (1979). The impact of achievement motivation training on small businesses. California Management Review, 21, 13-28.

Skinner, C. & Spurgeon, P. (2005). Valuing empathy and emotional intelligence in health leadership: a study of empathy, leadership behaviour and outcome effectiveness. Health Services Management Research, 18(1), 1-12.

Slaski, M., Cartwright, S. (2002). Health, performance and emotional intelligence: An exploratory study of retail managers. Stress & Health: Journal of the International Society for the Investigation of Stress, 18(2), 63-68.

Young, D. P. & Dixon, N. M. (1996). Helping leaders take effective action: A program evaluation. Greensboro, NC: Center for Creative Leadership.

Vinokur, A. D., et.al. (1991). Long-term follow-up and benefit-cost analysis of the JOBS program: A preventive intervention for the unemployed. Journal of Applied Psychology, 76(2) , 213-219.

Wong, C., Law, K. S. (2002). The effects of leader and follower emotional intelligence on performance and attitude: An exploratory study. Leadership Quarterly, 13(3), 243-274.