Ever since the field of psychology emerged, efforts have continued to explain personality in terms of different theories, models, and terminologies. Simultaneous to that is the line of devising and designing various personality testing and assessment methodologies. Defining personality in terms of different conceptualizations has been the ultimate aim of efforts by researchers to fill in the gaps in knowledge. However, the use of different assessment methodologies has attendant issues and raises many questions.The growing public skepticism regarding psychological assessment tools are a result of low professional standards in organizations. Recurring litigation that question the appropriateness of procedure and sanctity of personality test results highlight the need for better understanding of the concept, tools, procedures and policies. This book on personality traits sheds light on the strengths and weaknesses of psychological assessment under various contexts."The Big 5 Personality Traits" discusses some ethical issues in personality testing, with emphasis on the need to progressively evolve and refine standards for psychological assessment in organizations.