100 has always been average. The standards may change but the average score does not.
The tests do adapt to increased intelligence.
The test is one thing, the score is another. The score is always relative to the intelligence of the masses. 100 is always average. If the intelligence level of the population drops, then so does the the requirement to reach any given score
True, Tsumani. They also adapt to decreased, average intelligence. It is all very subjective.
A score of 100 is average always has been always will be.