Numerous research studies have concluded that values drive perceptions, responses to situations, judgments, interactions among people, and behaviors. In addition, studies have found that congruence or agreement between individual values and organizational values can increase job satisfaction and commitment. Minimal research has explored the concept of value congruence between substance abuse counselors and their treatment settings, and its impact on perceived ethical work behaviors and organizational commitment. This study explored how the extent of fit between individual and organizational values impacts ethical work behaviors and organizational commitment of substance abuse counselors. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]