0 votes
in SoSci Survey (English) by s205794 (110 points)

We are randomizing our participants into several groups. We want each group to view a different PDF document. So far I cannot get the PHP code to work as it's not an image, video, or audio.

1 Answer

0 votes
by SoSci Survey (311k points)

Using PDFs in a questionnaire may be a bad idea. You never know, if the respondents' browser shows the PDF like in image within the page, in a separate tab, or if they get a download, and must open that separately. Except, you can choose to always privide a download. But even then you don't know what program they use to view the download - some may not even have a PDF viewer installed.

When you have decided what your preference to embed the PDF is, please take a look on this manual from W3C: How to Embed PDF in HTML - in the end, you just have to vary the PDF filename which works exactly like it works for images or videos, just the HTML code around is slightly different.

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