This essay considers methodological aspects ofcomputer ethics and argues for a multi-levelinterdisciplinary approach with a central role forwhat is called disclosive computer ethics. Disclosivecomputer ethics is concerned with the moraldeciphering of embedded values and norms in computersystems, applications and practices. In themethodology for computer ethics research proposed inthe essay, research takes place at three levels: thedisclosure level, in which ideally philosophers,computer scientists and social scientists collaborateto disclose embedded normativity in computer systemsand practices, the theoretical level, in whichphilosophers develop and modify (...) moral theory, and theapplication level, that draws from research performedat the other two levels, and at which normativeevaluations of computer systems and practices takesplace. (shrink)