+1I have a survey with a question asking respondents about their opinion on
x, measured on a numeric scale. I would like to have a variable
mu_xthat tells me at any given time the average value on all responses of other (previous) respondents on
x. I would like to include this variable
mu_xin the same questionnaire at a later point. (So obviously this won't work for the first respondent, for whom there haven't been any previous reponses.)
One option would be to call a webservice, like GitHub etc., before and after the question.
After the answer you could send it to be written on a page. Before the question, you could request the data on the page. Do the required calculations via JS and then store it in an embedded data which you can display to your participants.
+1Many thanks, this approach sounds promising!
As I am not knowlegeable about this, could you point me to any good explanation how to do GET and POST requests to Github (or any other service)?
I hadn't come across any one that were good for beginners. The Github api docs (https://docs.github.com/en/free-pro-team@latest/rest) was what I followed. Import the QSF file, it has all the components that I think you need. A few things to note:
Alternatively, you can try this: https://nd.service-now.com/kb_view.do?sysparm_article=KB0018743
It doesn't work for me, but I've seen it work for quite a few people.
+1Thanks so much, that's already very helpful!
Any chance you could let me know how your github repo looked like? Specifically "https://api.github.com/repos/tafakkur/blog/contents/README.md" from where you GET "content" and "sha"?
It's empty. Just create a repo and github will guide you towards creating a README.md and initializing it. Then change the following in the link:
tafakkur: Replace with your username
blog: Replace with repo name
README.md: You can either keep this, or change it to any other file in the repo.
token aasdfasd32342sadf
shaand
content
+1Once again, many thanks! It's great that you're doing this, also your repo on Qualtrics.
I got the API connection working. However, the questionnaire does not work yet. If I get it right, it is supposed to check whether the id someone puts in is already in "old_data" on Github. A new id gets then added to "new_data" and pushed to Github. So, if I enter the same id twice, the second time I should get the "fail" message. However, this is not what happens.
Also, I am wondering where in Github the list of ids is actually stored?
I just checked. It is working. There must be some error in your configuration, please recheck it. You've got the flow right.
The list of ids will be in a file in your github repo. So, based on my link:
https://api.github.com/repos/tafakkur/blog/contents/README.md
https://github.com/tafakkur/blog/blob/main/README.md
blog, which I have made private as I'm storing unique ids.
+1My bad - it just messed up something in Qualtrics. It now works.
Many thanks again, and also looking forward to your tutorial!
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