[Stepping back into this after leaving it hanging for awhile ...]
You only randomize the list of image file names, and you do that in one
of the nested Lists.
-- David McFarlane
On 2022-06-18 Sat 10:51 AM, Rohit Kunte wrote:
> Also I forgot to ask, but what if the elements in the matrix are image
> files. How do we randomize them then?
>
> On Saturday, 18 June 2022 at 19:39:31 UTC+5:30 Rohit Kunte wrote:
>
> Thank you so much for all the help!! I will try executing all of
> them. I am new to E-prime totally and a student preping for my
> dissertations and so sorry if I am being a headache. :). Thank you
> so much for helping me out with this!!
>
> On Friday, 17 June 2022 at 23:43:26 UTC+5:30
michie...@helsinki.fi
> wrote:
>
> Oops, I forgot to say:____
>
> And thanks David, for the advertisement! There’s now also, for
> those who thought the E-Primer’s attempts at humour were a plus,
> but weirdly incidental, A Psychologist’s guide to EEG | SAGE
> Publications Ltd
> <
https://urldefense.com/v3/__https://uk.sagepub.com/en-gb/eur/a-psychologist**Bs-guide-to-eeg/book267560__;4oCZ!!HXCxUKc!0RQIhdvEC6WflC-eWFomRAjxzQaA32raBAfzQFbi9-YYpJ5hkOPe1UfjLuvmkkRwLLTlxVzpQ_1OpImzijdW66Nh$>,
> which features only my voice, for better or for worse. It
> features a step-by-step guide to implementing an EEG experiment,
> as well as introductions to EEG in general, experimental design
> in general, implementing the experiment in **BLASPHEMY**
> OpenSesame, analysing the results in MATLAB/EEGLAB,
> understanding these/writing them up, and a useful guide about
> what to do when you spend your whole life gazing at squiggly
> lines and are now wondering if there’s someone who actually
> cares. Oh wait, the last part is what my sequel is to be about!____
>
> __ __
>
> Best,____
>
> Michiel____
>
> __ __
>
> *From:*
e-p...@googlegroups.com <
e-p...@googlegroups.com> *On
> Behalf Of *Spape, Michiel
> *Sent:* 17 June 2022 21:01
> *To:*
e-p...@googlegroups.com
> *Subject:* RE: Unable to create a matrix for an experiment
> stimulus and doubt regarding the same.____
>
> __ __
>
> Hi Rohit,____
>
> One way to achieve this is by using a nested list, for example
> defined in a blocklist or such, with an attribute like
> [Element]. Have it randomise every trial. Then, within the
> triallist, add 9 attributes (if it’s a 3x3 matrix), like
> Element1, Element2… Element9. In each column, set the cell value
> to call the Attribute from the earlier defined [Element]
> attribute, but specifying the exact level, 0-based:____
>
> Element1, level1, would be [Element:0]____
>
> Element2, level1, would be [Element:1]____
>
> ..____
>
> Element9, level1, would be [Element:8]. ____
>
> __ __
>
> Same stimulus for 2 time durations: by adding a Duration
> attribute, referring to it in the stimulus display, duration
> property, like [Duration]. ____
>
> Hope that helps,____
>
> Michiel____
>
> __ __
>
> *From:*
e-p...@googlegroups.com <
e-p...@googlegroups.com> *On
> Behalf Of *Rohit Kunte
> *Sent:* 17 June 2022 18:57
> *To:* E-Prime <
e-p...@googlegroups.com>
> *Subject:* Re: Unable to create a matrix for an experiment
> stimulus and doubt regarding the same.____
>
> __ __
>
> I was able to create the matrix but unable to randomize each
> element in the matrix. Any idea about this?
> Also how can we display the same stimulus for two different time
> durations i.e 500ms and 1000ms (50:50) in the trials?____
>
> On Thursday, 9 June 2022 at 22:16:25 UTC+5:30 Rohit Kunte wrote:____
>
> Thank you so much!! I will go through the document. ____
>
> On Thursday, 9 June 2022 at 22:10:23 UTC+5:30 McFarlane,
> David wrote:____
> <
https://urldefense.com/v3/__http://www.amazon.com/Primer-Introduction-Psychological-Experiments-Prime**A/dp/9087283202__;wq4!!HXCxUKc!0RQIhdvEC6WflC-eWFomRAjxzQaA32raBAfzQFbi9-YYpJ5hkOPe1UfjLuvmkkRwLLTlxVzpQ_1OpImzipmGb6DQ$>
> ____
> <
https://urldefense.com/v3/__https://groups.google.com/d/msgid/e-prime/8b300761-6940-4396-a247-b2c0b0864c4fn*40googlegroups.com?utm_medium=email&utm_source=footer__;JQ!!HXCxUKc!0RQIhdvEC6WflC-eWFomRAjxzQaA32raBAfzQFbi9-YYpJ5hkOPe1UfjLuvmkkRwLLTlxVzpQ_1OpImziracqqsR$>.____
>
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