A bit tangential, but do you know of any studies that compare the duration of a cognitive test vs the accuracy/reliability? I'm curious as to how valid a 15 min test really is.
Another study on intelligence and cooperation in various economic games (prisoner's dilemma etc.). Finds some positive results in games involving trade-offs with repeated games. n = 110ish students, split into high and low groups based on 15 min Raven's. https://www.journals.uchicago.edu/doi/pdfplus/10.1086/701355 …pic.twitter.com/RAwAsZ45c4
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It's not a simple function of administration length, but complex function of item properties. There is nothing in theory that prevents one from making a great test that lasts only 15 mins. Wonderlic does this by having fairly easy but varied items. https://en.wikipedia.org/wiki/Wonderlic_test …
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It seems that the 12 minute Wonderlic Personnel Test has questionable correlates to WAIS-R, ranging r = 0.65 (Buckley, 1957) to 0.91 (Dodrill, 1981) and 0.55 in the WJ-R (and only 0.26 in the fluid reasoning part of the WJ-R). :(
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What kind of value were you expecting?
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Given that Ravens Progressive Matrices correlates with g at around 0.8, my initial thought was that the Wonderlic would be even better, since you specifically mentioned it. I guess it makes sense to have a lower correlate as it measures more broadly across cognitive abilities.
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That's the latent correlation, is it not? Without measurement error. The ones you post above are observed correlations (includes measurement error). But you aren't comparing fairly because SPM takes like 45 mins vs. 12 mins for Wonderlic.
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>45 vs 12 True, which is why I'm curious about the limit/trend between test duration and g correlates I'm to much of a layman to know if its latent/observed, but Jensen's The g Factor notes on pg38 that factor analysis yields g loading around 0.8...I'm guessing that is observed?
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That's probably too high. I am referring to the value from this study. https://www.sciencedirect.com/science/article/pii/S0160289607000931 …
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