The field of I/O Psychology has left its imprint on many significant aspects of society. In examining the field of I/O, it is important to acknowledge the paths that have been taken. Consider some of the ways in which I/O has made a difference in today's society. To name a few historical transitions, consider how fair employment laws have led to better hiring practices. Consider how assessments have helped us decide where to begin an organizational intervention; testing has allowed us to fit the right person to the right job; and personality instruments have helped leaders to discover their strengths and weaknesses. Theories of motivation have helped us understand behaviors in the workplace and create systems for reward and compensation. Lastly, think of the ways in which professional organizations such as APA and SIOP have helped us develop and maintain our academic and professional standards.