random pairing of cue word and audio file on a single slide

[ben robinson]

random selection will randomly select one of the 9 rows, with the words and
sounds already paired, if i've understood how you set up your list.

instead, try this.

List1 has three rows, each row has a weight of 3.  each row runs the same
procedure, TrialProc.  there is a nested list on all three rows called
WavFiles.  there is an added column called CueWord.
on row1 CueWord has "react", row2 has "reframe", row3 "observe".  there is
another added column called AudioFile.  under AudioFile, every row has
[Wav].
your nested list, WavFiles, add a column called Wav.  you'll need 9 rows in
WavFiles, and in each row under the column Wav type the name of one of your
9 audio files.

set both List1 and WavFiles to random.  this way, List1 will run through 9
times.  3 times it will present each of your words.  each of the 9 times it
runs it will call a different one of your 9 audio files from the nested
list, WavFiles.

hope that helps.

On Tue, Jul 26, 2011 at 10:10 PM, philippe <philippegoldin at gmail.com> wrote:

> I would like to randomly pair two objects (a cue word and audio file)
> on the same slide.
>
> The slide is a single trial lasting 13.5s
>
> I want one of three cues (react, reframe, observe)  to appear with
> equality probability (33%) on the slide (and remain on the slide for
> 13.5s) along with one of 9 audio files (also presented for 13.5s).
>
> the final result would be 9 trials.
>
> 3 with react, 3 with reframe and 3 with observe cue words presented
> randomly
>
> 9 unique audio files presented once each randomly
>
> If a single List has 9 rows and one column for cue word and another
> column for audio file, and is set for random selection, will Eprime
> randomly pair all the cue words with audio files?? Or will random
> selection refer to randomly picking 1 of the 9 rows that always pairs
> the same cue word and audio file???
>
> Any help will be greatly appreciated.
>
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