Matrix Likert Answers Count Validation across multiple questions

Question

I have a 5 Matrix Likert Multiple Answers questions on one page. I’d like respondents to click on at least 8 points in total across the 5 questions before they proceed.

I did find some JS in another post that counts the answers on one question (and that disables the next button until they click enough answers), but not sure how to adjust that to check across the 5 questions…

Qualtrics.SurveyEngine.addOnReady(function(){
that = this;
var init_ques = this.getQuestionTextContainer().innerText;
this.disableNextButton();
this.questionclick = function () {
var a = that.getSelectedAnswers();
var ch = Object.values(a).reduce(function (a, b) {
return a + b;
},0);
if(ch >=3){
that.enableNextButton();
that.getQuestionTextContainer().innerText = "Okay to proceed";
} else {
that.disableNextButton();
that.getQuestionTextContainer().innerText = init_ques;
}
} 
});

Best answer by Shashi

Use the below code in any one of the Matrix question

Qualtrics.SurveyEngine.addOnReady(function() {
    var that = this;
    this.disableNextButton(); 
	jQuery(".Matrix").find("input[type='checkbox']").on('change',function(){	
		if(jQuery(".Matrix").find("input[type='checkbox']:checked").length>=8)
			that.enableNextButton();
		else
			 that.disableNextButton();
	});	
});

View original

Shashi · Accepted Answer

Use the below code in any one of the Matrix question

Qualtrics.SurveyEngine.addOnReady(function() {
    var that = this;
    this.disableNextButton(); 
	jQuery(".Matrix").find("input[type='checkbox']").on('change',function(){	
		if(jQuery(".Matrix").find("input[type='checkbox']:checked").length>=8)
			that.enableNextButton();
		else
			 that.disableNextButton();
	});	
});

MikeW · Answer

Use the below code in any one of the Matrix question

Qualtrics.SurveyEngine.addOnReady(function() {
    var that = this;
    this.disableNextButton(); 
	jQuery(".Matrix").find("input[type='checkbox']").on('change',function(){	
		if(jQuery(".Matrix").find("input[type='checkbox']:checked").length>=8)
			that.enableNextButton();
		else
			 that.disableNextButton();
	});	
});

Perfect. Thank you!

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