Add the following JavaScript to the question you would like a delayed:

Qualtrics.SurveyEngine.addOnload(function()
{
this.getQuestionContainer().hide();

});

Qualtrics.SurveyEngine.addOnReady(function()
{
var delayTime = 30000 //This is the time of delay
var that = this;
setTimeout(function(){that.getQuestionContainer().show()}, delayTime);

});

The timing can be updated by updating the value of delayTime, which is set in milliseconds.

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Perfect! Thank you!!

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This is a great answer.
I've tried delaying a slider question. However, the problem is that when the slider appears (after 20 seconds) the slider is "cut". It looks as if the values had been reduced to 0-1, while the slider is set to be 0-100. The problem disappears when I remove the javascript code (above).
Is there a way to have the code "show" the entire slider (instead of cutting it)?
Thank you!
Two images to clarify:
With delay (in JS) what appears is:
Without delay (in JS):

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Hi Marta , if you still need, I was able to get the slider to display okay after the delay by using the below:
var q="#"+this.questionId;
jQuery(q).css("content-visibility","hidden");
setTimeout(function () {
jQuery(q).css("content-visibility","visible");
},5000);

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Thank you, Tom!

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