This lab I frame like a competition. I have the kids take the IQ test and they have to print their results (you could have the kids upload a screenshot to schoology or whatnot).
I give extra credit for the top 7 students extra credit. I keep track of my top 7 from year to year on PPT slides and show my classes top scores from the past.
It is interesting after awhile to see family names repeat from time to time.
BTW this is a test based on Raven's Progressive Matrices
It is two labs per page, pretty simple as reflected in the price, I don't have the kids do any analysis on this particular lab.
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You are bound to have something cool to share, sell it on Teachers Pay Teachers!