Direct, indirect, and negative evidence

In genealogy, we may have direct, indirect, and negative evidence for research questions. Direct evidence is like a light that shines on the possible answer. It answers the research question directly, though the answer may be partial or even incorrect. Indirect evidence is like a light that hits a mirror before it shines on the possible answer. The light wouldn't illuminate the answer if it did not hit something else first. We always need to use indirect evidence in combination with … [Read more...]