likert scales and summary data


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Benne
Benne
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Hey there,

how do I add likert values to the summary data file?
The preliminary study (attached) consists of 12 video clips. After each clip follows a new page with a likert scale (rating of the video). Im only interested in these values (-3 to 3).
The combination of one video and one rating forms one block. Each rating is named differently. 
 
I`ve already used the summary data command:
<summarydata>
/ columns=[script.subjectid, script.startdate, script.starttime]
/ file="Videoratings_summary.iqdat"
</summarydata>
and tried different new columns: likert.trialname, values.trialname, responses.trialname...

Do I need to use the <value> command and define the values I´m interested in? Already tried it, but it did not work.

<values>
/name of the trial (e.g.:m_s3) = 0
</values>

Thank you for your help!


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Videoratings.iqx (670 views, 10.00 KB)
Dave
Dave
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A summary data file is supposed to capture a _single_ line of summary data. If you wanted to have a column for each likert element you run, you ought to specify:

<summarydata>
/ columns = [..., likert.f_h1.response, likert.f_h2.response, likert.f_h3.response, ...]
...
</summarydata>

and so forth. This will, of course, only make sense if each likert is only ever run a single time.

You'll find the data captured in the regular _raw_ data file as well. The trialcode column hold's the likert's name, the response column holds the respective response.

Benne
Benne
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Thanks a lot!
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