There is a very narrow normal curve for the Minnesota dexterity tests, around one minute duration. I think they must have had a super class of youngsters practicing to make up the norms. A youngster here scored highly because she was at the top end of curve, and we older guys score low because just 10 seconds slower than 1 minute puts us near the bottom, which is ridiculous. Strategy to do the test faster is to only concentrate on the hand putting blocks in the board. Only look at the board. Only pick up the pucks by touch without looking at them. This will give you less to think about and more microseconds to concentrate on placing pucks. We can also lower the board to make it faster to use the hands reaching. I think using this strategy I can get below 1 minute. But failing that, where are the norms for older adults?
A canadian team worked on this topic. Here a link to the article. And you could also request full text or communicated with first author, Johanne Desrosiers, on Researchgate.
http://cjo.sagepub.com/content/64/5/270.abstract
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