If a person's headache goes away when he takes aspirin, the person is then more likely to take aspirin in the future. this is an example of , where removing an adverse condition increases the likelihood of repeating the behavior that preceded it.

The answer is "it is an example of avoidance learning".

Avoidance learning refers to the procedure by which an individual takes in a conduct or reaction to keep away from a distressing or disagreeable circumstance. The conduct is to maintain a strategic distance from, or to expel oneself from, the circumstance.Like in the given situation, after taking aspirin, headache of a person go away, now he knew that whenever he will suffer from headache he will take aspirin.

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.