Motivation, altruism, and generalized compliance: a field study of organizational citizenship behaviors.

This study tests the relations among five sources of motivation and two organizational citizenship behaviors. 175 employees from 31 locations of two agriculturally based companies completed the Motivation Sources Inventory and were rated by their supervisors for demonstrated organizational citizenship behaviors. There were significant positive correlations for employees' Self-concept-Internal Motivation with Altruistic Behavior of employees; while employees' Self-concept-External Motivation showed a significant negative relation with Altruistic Behavior by employees.