In the context of construct validity of measures, if research finds that candidates who score high on a medical college admissions test do better in medical school than those who score low on this test, it can be inferred that the test has validity.

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.