Description of the problem: I’ve been trying to convert a jittered ITI routine from a PsychoPy study to PsychoJS but am having trouble with the code conversion. The original code I used for python was: jitter = np.arange(0.3, 0.6, 0.25) shuffle(jitter) This worked perfectly when run in PsychoPy.…

Hi Ral, I think you need to define randint in code_JS randint = function(min, maxplusone) { return Math.floor(Math.random() * (maxplusone - min) ) + min; } Then you can use jitter=(randint(0,301)+300)/1000 I think that your problem is that you are rounding to the nearest second. Also, you s…

Code conversion Jittered ITI in PsychoJS

Online experiments

jiemin July 5, 2021, 12:53pm 7

Hi Wakefield,

I replaced trials.thisN with snapshot.thisN (referring to this thread trials.thisN and trials.thisTrialN are constant in the online experiment - #13 by jzacks) and it works now! Thank you!

1 Like

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Code conversion Jittered ITI in PsychoJS

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