pre select all boxes

Hi @automaticadd,
you can do it automatically using JavaScript. You can set the value using `setChoiceValueByRecodeValue` function and repeat it for all rows and columns of your matrix using, for example, a nested for loop. Unfortunately, I don't know how to get the number of rows and columns automatically, so I defined it manually. Here is an example code for 3 x 3 matrix.

Qualtrics.SurveyEngine.addOnload(function()
{
var i;
var j;

for (j = 1; j <= 3; j++) {
for (i = 1; i <= 3; i++) {this.setChoiceValueByRecodeValue(j, i, true);}
}

});