Everything in Topic 7.4 answered questions of the form how much and what causes what. This Topic answers a different family: what is this, how does it work, what does it mean to the people doing it, and what actually happens as opposed to what the rules say happens.

The most demanding of these methods asks you to go somewhere, stay for a long time, take part, and write down what you see.

It is also the method with the highest ratio of misunderstanding to attention. People assume it is easy because it has no equations, and that it has no standards because its standards are not statistical. Both are wrong, and this lesson is about what its standards actually are.

What the method actually involves

Roles, access and their costs

The three problems, and what discipline does about them