This section teaches the ideas behind the survey at the level a diver needs to run one. Each module develops one part of the method — what it measures, how, and why — and points to Appendix A for the quantitative detail and to Section Three for the in-water execution. The figures referenced here are the same ones used throughout the guide. None of the mathematics is required to run a survey; the modules teach the reasoning, so that a demographer understands what each recorded number means and what the result can and cannot say.
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Lesson 1 of 24 · 1 min
Section Two: Knowledge Development
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Three questions, drawn at random from this lesson's set, one attempt each. The right answer is shown either way. Two of three opens the next lesson; fewer and you get another three. Nothing is recorded anywhere but this browser, and this is not the Knowledge Review — it is a way of showing the lesson was read.
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