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Join Date: Dec 2014
eajaniak is on a distinguished road Posts: 1
bimanual response, Posted January 29th, 2015 #1
Dear SuperLab people,

I would like my participants to respond bimanually, either with both middle fingers or index ones. I would like to involve both hands at the same time.

I want to use 4 keys: e.g 'x' and 'n' together as yes, and 'z' and 'm' as no.

How to do it to be able to see it in the data?

... both keys pressed ( left and right hand) coded and the reaction times (for using left and right button- probably there will be small differences between them, like 10ms).

Please advice.
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Join Date: Aug 2006
Location: San Pedro, CA
Hisham is on a distinguished road Posts: 1,214
Posted February 19th, 2015 #2
SuperLab does not have a built-in facility for bimanual response. When the participant responds by pressing two keys simultaneously, you will end up with two rows of data in the data file, one row for each key.

However, it rather easy to simulate a bimanual response. The trick is to add a second event to collect the second key. I built a small demo experiment; check it out and let me know if you have any questions.
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File Type: sl5 Ewa Janiak bimanual response.sl5 (4.4 KB, 6 views)
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bimanual response, both hands, two keys reaction times
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