Can anyone help me write a custom code for the following matrix question (I am a complete novice at write Java codes)?There are 186 items in the rows, and three choices. I would like respondents to only pick 10 items for each of the 3 different columns. Everytime they choose more or less than 10, I want an error message to pop up that directs them to the exact column that needs their attention (and ambitiously lets them know if they need to pick more items or less to get to the 10). Currently the custom validation (image attached) that I can set up only allows for one generic error message for all three columns together - which means the participants will have to manually go back and count each of the three columns to detect which one has more or less than 10 items selected.

Javascript is pasted incorrectly.So now just replace everything in the javascript window with below codeQualtrics.SurveyEngine.addOnload(function(){/*Place your JavaScript here to run when the page loads*/});Qualtrics.SurveyEngine.addOnReady(function(){/*Place your JavaScript here to run when the page is fully displayed*/var QID = this.questionId ; jQuery('#chkcount1').text(jQuery("#" + QID + " td.c4 input[type='checkbox']:checked").length);jQuery('#chkcount2').text(jQuery("#" + QID + " td.c5 input[type='checkbox']:checked").length);jQuery('#chkcount3').text(jQuery("#" + QID + " td.c6 input[type='checkbox']:checked").length);jQuery("#" + QID + " input[type='checkbox']").on("click", function() {jQuery('#chkcount1').text(jQuery("#" + QID + " td.c4 input[type='checkbox']:checked").length);jQuery('#chkcount2').text(jQuery("#" + QID + " td.c5 input[type='checkbox']:checked").length);jQuery('#chkcount3').text(jQuery("#" + QID + " td.c6 input[type='checkbox']:checked").length);});});Qualtrics.SurveyEngine.addOnUnload(function(){/*Place your JavaScript here to run when the page is unloaded*/});Here is the screenshot, how it should look:

In order to show the selection count of each column, you can follow below solution:Paste the below HTML in the question HTML view at the end:Column 1 selected count:0Column 2 selected count:0Column 3 selected count:0Now, paste the below code in the Javascript of the matrix question:var QID = this.questionId ;jQuery('#chkcount1').text(jQuery("#" + QID + " td.c4 input[type='checkbox']:checked").length); jQuery('#chkcount2').text(jQuery("#" + QID + " td.c5 input[type='checkbox']:checked").length); jQuery('#chkcount3').text(jQuery("#" + QID + " td.c6 input[type='checkbox']:checked").length);jQuery("#" + QID + " input[type='checkbox']").on("click", function() {jQuery('#chkcount1').text(jQuery("#" + QID + " td.c4 input[type='checkbox']:checked").length);jQuery('#chkcount2').text(jQuery("#" + QID + " td.c5 input[type='checkbox']:checked").length);jQuery('#chkcount3').text(jQuery("#" + QID + " td.c6 input[type='checkbox']:checked").length);});

Custom Code for Matrix question custom validation for set number of items for each individual column

Custom Code for Matrix question custom validation for set number of items for each individual column | Experience Community

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