D_Malik comments on Experiment Idea Thread - Spring 2011 - Less Wrong

28 Post author: Psychohistorian 06 May 2011 06:10PM

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Comment author: James_Miller 06 May 2011 06:35:56PM 12 points [-]

Does the Dual n-back increase intelligence?

Some evidence indicates that playing the videogame Dual n-back increases working memory and fluid intelligence.

A group of us would first take a memory test. Next, a randomly selected subgroup would play the Duel n-back a few hours a week for, say, a month. Then, both groups would take another memory test. Next, we would wait, say, two months with no one playing the game. Finally, the two groups would again take a memory test. We could probably still learn a lot by omitting the control group.

Here is a free version of the game.

Comment author: D_Malik 06 May 2011 08:22:28PM 3 points [-]

In addition to the memory test, we should also use some fluid intelligence test (like RAPM). It would probably be good to use unspeeded RAPM and other fluid intelligence tests (rather than speeded RAPM, which is controversial.).

Also, we should investigate different modes, like multiple stimuli and arithmetic and crab n-back.