On Oct 31, 2007, at 3:23 PM, Miles Jackson wrote:
> Flynn and other IQ researchers have used a lot of sneaky techniques to
> document this. One example: give people a modern version of the
> Stanford-Binet and the 1920s version, and assess their score on each
> test relative to the validation sample in each time era. What you
> find
> is that someone who scores average on the modern test scores much
> higher
> than average on the 1920s test, when compared to people who took the
> test in the 1920s.
The 1920s were a long time ago. What about vs. 1950 or 1970?
Doug