Sound statistical analysis is likely to influence the development or implementation of urban public policies and programs under which one or more of the following conditions? (Circle all that apply.) f. All of the above d. Technical solutions to political problems a. A real-world test of one or more features of a proposed program or policy b. The isolation of researchers from political pressures e. Nonthreatening, persistent, and flexible policy analysts c. Research objectives that seek to advance the state of knowledge of a specific scientific discipline