[CogSciLanMethLab]

Hello Jeremy,

Again, thank you for your help and feedback on the accessibility of the resources folder!

It now seems that the pictures are only occasionally loaded when the experiment link is opened and sometimes not. We think it is best to upload them into the PCIbex Farm account instead so that we can make sure that the images are available during experimentation at any time.

Still, thank you very much!

Best,
CogSciLanMethLab

[CogSciLanMethLab]

Hello Jeremy,

The link to the resources given above points to the .zip folder with the images at the root. In the same directory where this .zip folder is located, there is an additional .htaccess file (with the dot in the very front) with the following content taken from the PCIbex documentation:

# with AJAX withCredentials=false (cookies NOT sent)
Header always set Access-Control-Allow-Origin “*”
Header always set Access-Control-Allow-Methods “GET”
Header always set Access-Control-Allow-Headers “X-Accept-Charset,X-Accept,Content-Type”
RewriteEngine On
RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule ^(.*)$ $1 [R=200,L,E=HTTP_ORIGIN:%{HTTP:ORIGIN}]]

When right-clicking on the .zip folder on the server, the boxes for “Read” and “Read & execute” for “Everyone” under the tab “Security” are now checked – these are the same settings we have used for an earlier study where the picture resources are stored on the same server which works fine (demo link: https://farm.pcibex.net/r/zBUnUG/).

Is there anything else that has to be checked or that we may have overlooked?

Thank you very much for your help and effort!

Best,
CogSciLanMethLab

[CogSciLanMethLab]

Hello Jeremy,

Thank you very much for your fast reply!

You are totally right, we have been working on this script recently and have apparently overseen this mistake. However, we have fixed the URL pointing to the server but the script is still not able to retreive the picture resources. The correct URL should be https://www.ling.uni-potsdam.de/cslmlab/continuation_study/continuation_pcibex_resources/pic_continuation_study.zip for both of the study parts.

We beg your pardon for this silly mistake. But still, can you think of a reason for the problem that we experience?

Thank you again!

Best,
CogSciLanMethLab

[CogSciLanMethLab]

Hello Jeremy,

Thank you very much!

We assume that the problem was due to the crashed server? Anyway, the experiment seems to run stable and all picture resources are being displayed again!

With best regards,
CogSciLanMethLab

[CogSciLanMethLab]

Hello Jeremy,

Thank you again for all your help and in-depth description of the current limitations of PennController! This information will help a lot when it comes to designing our experiment and later analysis of the data.

Enjoy the upcoming weekend!

Best,
CogSciLanMethLab

[CogSciLanMethLab]

Hello Jeremy,

Thank you very much for the fast reply and your detailed explanation on how to achieve a more precise time accuracy!

Based on your description, is it correct to assume that it is impossible to elicit audio recordings from the participants that are all of the exact same length?

Due to different configurations of the machine as well as the cyclic way certain elements and processes work, it is now clear that the recordings will not be exactly 3000 ms long. However, if each recording is elicited through the same template within one trial block, shouldn’t the respective sound files be of the same length even though they will effectively be a little longer than 3000 ms? Or is it the difference in additional time that will be added to the 3000 ms due to the aforementioned machine configurations, which causes the differing length of the audio files?

Thank you again for your help!

Best,
CogSciLanMethLab

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