When using this "${rand://int/1:500}", a random number is generated in a text field. Now the issue is that subjects can still reenter a new value according to there preference. Is there a possibility to lock the text field once the random number appears. I need a text field since I am supposed to reference and compare the random number with a previously entered number in a way if it is smaller or bigger. Other option could be to use HTML like this: " <button id="random" onclick="myFunction()"><b>You genereate a random number P</b></button> <br> <b>Ihr Marktpreis P für den Becher lautet:</b> <input type="number" id="number"><br><br> <script> function myFunction() { document.getElementById("number").value = Math.floor((Math.random() * 500) + 1); document.getElementById("number").disabled = true; document.getElementById("random").disabled = true; } </script> " Can I compare subjects' previously entered numbe
Hi there, as part of my research project I need to estimate Willingness to pay and Willingness to accept. A common method is the Becker‐DeGroot‐Marschak (BDM) Mechanim. Unfortunately, I could not figure out how to implement it in qualtrics. Has anyone a javascript or a related hint or experience in using this Mechanism? Many Thanks Dafink
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