Human behavior is complex and every individual is different from another, the challenge of an effective organization is in successfully matching the task, the manager and the subordinate. Under ideal situation, a manager would first analyze the task, then determine the required skills and assemble a team that complement each other skills; thereby creating an enriching &conflict free team. In reality, a manager has to use the existing resources for a given task, and must have the ability to understand the differences in individual behaviors and use themappropriately to increase the synergy. In order to understand individual behavior and personalities, it is important to understand the basics of human cognition.