JavaScript Multiple Price List Question

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Hi @JvG 

you can try it with this code

 

Qualtrics.SurveyEngine.addOnload(function() {     var qid = 'QID16'; // Replace 'QID16' with your actual question ID

    // Function to handle the logic when a choice is selected     function handleChoiceSelection(selectedChoice) {         var choices = this.questionContainer.select('input');         var choiceIndex = choices.indexOf(selectedChoice);                  // If a choice for the product is selected, deselect all subsequent choices for money         if (selectedChoice.value != 'Product') {             for (var i = choiceIndex + 1; i < choices.length; i++) {                 choices[i].checked = false;             }         }         // If a choice for money is selected, select all subsequent choices for money         else {             for (var i = choiceIndex - 1; i >= 0; i--) {                 choices[i].checked = true;             }         }     }

    // Event listener for choice selection     this.questionContainer.select('input').invoke('observe', 'click', function(event) {         handleChoiceSelection(event.target);     });

    // Initial setup to ensure only one switching point is possible     this.questionContainer.select('input').invoke('observe', 'change', function(event) {         var choices = this.questionContainer.select('input');         var selectedChoice = event.target;         var selectedValue = selectedChoice.value;

        if (selectedValue != 'Product') {             var choiceIndex = choices.indexOf(selectedChoice);             var previousChoice = choices[choiceIndex - 1];             if (previousChoice && previousChoice.value == 'Product') {                 previousChoice.checked = false;             }         }     }); });
 

Make sure to replace 'QID16' with the actual question ID of your multiple price list question in Qualtrics. This script ensures that only one switching point is possible and handles the logic for selecting subsequent choices when a choice for money is selected.

Hi @RickB. Thank you for your help! Unfortunately, the code does not work… Even when I make some small changes. If somebody else has suggestions, please let me know :)

I´m having the same problem trying to enforce an unique switching point in a MPL question. Has anyone found a solution for this?