This poster addresses the basis for ethical obligations within evaluation. According to Sheinfeld & Lord (1981), evaluators are most concerned about political conflicts of interest and personal conflicts. An ethical framework is provided to evaluators in the form of the American Evaluation Association's principles of professional practice, but while these general principles are situated in the world of practice, they are necessarily vague and limited to fairly specific situations. In essence, this poster explores these questions: What should we do, practically? How should we think when considering ethical dilemmas? When evaluators are encouraged to adhere to ethical obligations, what should they refer to? What is our basis for ethical values and valuing? #EvaluationUse #GraduateStudentandNewEvaluators #2011Conference #ResearchonEvaluation #SystemsinEvaluation #TheoriesofEvaluation