Constant constipation? Clingy children? Health survey's questions changed through the years
Constant constipation? Clingy children? Health survey's questions changed through the years
- The point was to ask people to talk about their health in their own terms. Later research showed that how a person answered that kind of question was a great predictor of their future health, said James Lepkowski, a survey research expert at the University of Michigan
- The point was to ask people to talk about their health in their own terms. Later research showed that how a person answered that kind of question was a great predictor of their future health, said James Lepkowski, a survey research expert at the University of Michigan