In the past few decades, the study of organizational behavior has become an important thing that needs to be understood by many people, organizations and even companies. It has become very important, since organizational behavior can bring many benefits to people and companies to achieve their goals well and organize them better. For example, organizational behavior can help companies learn how to deal with many people, deal with globalization, manage companies wisely, and can increase employee performance and productivity (Usman, 2010). One of the organizational behavior lesson examples that has become very important, especially for organizations and businesses, is the study of personality and behavior. PersonalityIn contrast, behavior defined as someone's reaction or response towards an action or event he or she has faced (Business Dictionary, 2016). Furthermore, behavior is often created and influenced by someone's attitude, whether positive or negative. Unlike personality, behavior is likely to be changed easily as it depends on the situation the person has faced and can be different each time. Even though personality and behavior are very different, they actually have a strong relationship with each other. To explain why personality and behavior can have a strong relationship with each other, this essay is specially crafted to explain why the study of personality is important for the study of behavior, providing its impact on job performance, job satisfaction and productivity . interpersonal relationship, as well as discovering its implementation inManagement is created to manage or control an organization or business well, in order to achieve its objectives efficiently. Especially for companies, understanding personalities and behaviors well can be very useful and important in determining the efficiency and success of companies. It can be implemented and demonstrated by how companies screen, eliminate and choose the right employee for companies (Business Case Studies, 2016). Furthermore, it is usually done by the company's manager. To do this it is very important that companies put in place the right and suitable personalities for the task that will be assigned to them. The reason is simply because it can help companies get better performance and productivity from their employees. There are some strategies and ways that company managers can use to do this. For example, when a company is about to hire people, the manager of that company can apply a personality test that will be given to potential employees first. The reason for carrying out this test is probably to help the manager to know the potential personality that the potential employees might have, in order to choose the right employees for the right job (Chatterjee & Learnvest, 2015). Once the employees' personality fits the job, the employees will behave well towards their work and produce better productivity for the company. Another