THINKfast recovered

After months of searching culminating in about six hours of frustrating VirtualBox setup, I’m finally able to play THINKfast, albeit on a Windows 98 virtual machine.

THINKfast was marketed as “brain-training software.” As far as I know, the evidence that any such software produces gains in intelligence transferred beyond the game itself is minimal. What’s important about THINKfast is that it’s a good measure of general intelligence, even promoted for that purpose by legendary psychometrics researcher Arthur Jensen. You can read about THINKfast’s psychometric properties on pumpkinperson’s blog here.

THINKfast won’t run on Windows 10, even in compatibility mode. Setting up the virtual machine required to play it on a modern system is time-consuming and requires following instructions fastidiously. If you’re nevertheless interested in playing it, contact me for instructions and technical support, but I won’t hold your hand through the entire process.

A possible problem is that scores may vary between systems due to lag in input or output. My VirtualBox setup seems as responsive as a typical personal computer, but even imperceptible delays might warp both norms and individual performances against those norms. Nonetheless, I’ll post my scores once they’ve stabilized. This may take a while as: (1) the games usually show large practice effects over initial runs; (2) eventual plateau scores correlate much more highly with intelligence than initial scores do; and (3) the games get harder, and thus make higher scores feasible, as long as you are improving. I am currently at Alpha-Gold after 5 runs.

THINKfast running in a VirtualBox virtual machine of Windows 98.

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