5Bar-On, R. ( 1997 ). The Emotional Quotient Inventory (EQ-i ) : Technical Manual. Toronto, Canada: Multi-Health Systems, Inc.
6Bar-On,R. (2000). Emotional and social intelligence: Insights from the Emotional Quotient Inventory(EQ-i). In R. Bar-On & J. D. Parker(Eds. ), Handbook of Emotional Intelligence ( pp. 363 - 388). San Francisco : Jossey-Bass.
7Bar-On,R. (2006). The Bar-On model of emotional-so- cial intelligenee(ESI). Psicothema, 18,13- 25.
8Bowman, D. B. , Markham, P. M. , & Roberts, R. D. (2001). Expanding the frontier of human cognitive abilities: So much more than(plain)g! Learning and Individual Differences, 13,127- 158.
9Boyatzis,R. E. ,& Sala,F. (2004). Assessing emotion- al intelligence eompeteneies. In G. Geher ( Ed. ), Measuring Emotional Intelligence& Common Ground and Controversy ( pp. 147 - 180). Hauppage, NY .- Nova Science.
10Brackett,M. A. , & Mayer,J. D. (2003). Convergent, discriminant, and incremental validity of competing meas- ures of emotional intelligence. Personality and Social Psy- chology Bulletin, 29,1147- 1158.