Comment on each of the following as a potential sample survey question. Is the question clear? Is it slanted toward a desired response?

a. “Some cell phone users have developed brain cancer. Should all cell phones come with a warning label explaining the danger of using cell phones?”

b. “Do you agree that a national system of health insurance should be favored because it would provide health insurance for everyone and would reduce administrative costs?”

c. “In view of escalating environmental degradation and incipient resource depletion, would you favor economic incentives for recycling of resource–intensive consumer goods?”