Delft University of Technology offers three positions for PhD students as part of the research project Design for changing values: a theory of value change in sociotechnical systems. The entire project consists of 3 PhD positions and 2 postdoc positions and will be supervised by prof.dr.ir. Ibo van de Poel. A complete description of the project can be requested. The project aims at better understanding how moral values may change as a result of technological development and how we can better deal with such changing values in the design of new technology.