Evidence

What it's all about: data, evidence, and ideas. Models of inquiry: some historical background --

Ideas, opinions, and evidence --

How the natural scientists do it --

Who collects the data and how do they do it? Censuses --

Data gathered by government employees to document their work --

Hired hands and nonscientist data gatherers --

Chief investigators and their helpers --

Inaccuracies in qualitative research --

Afterword: final thoughts.