WPS 2010-11/18 IMPACT OF LEADER BEHAVIORS ON EMPLOYEE CREATIVITY: EXPLORING THE ROLE OF WORK MOTIVATION, POSITIVE PSYCHOLOIGCAL CAPITAL, AND JUSTICE PERCEPTIONS VISHAL GUPTA Doctoral Student, Human Resource Management Group Indian Institute of Management Off Sitapur Road, Prabandh Nagar Lucknow (U.P.) – 226013 e-mail: vishal.gupta@iiml.org DR. SHAILENDRA SINGH Professor, Human Resource Management Group Indian Institute of Management Off Sitapur Road, Prabandh Nagar Lucknow – 226013 (U.P.) e-mail: shail@iiml.ac.in