Matrix table

You can use JavaScript to disable the remaining checkboxes in the column when the first checkbox is checked.
To avoid writing JavaScript, you could ask the first question (row) as a separate question then either carryforward the unselected choices as scale points or use display logic on the columns.

You can use the below code to work this in addOnReady function,

jQuery('tbody tr:eq(0)').change(function(){
for(var i=0;i<4;i++)
{

if(jQuery(this).find('td').eq(i).find('input[type="checkbox"]').is(':checked'))
{
console.log("i = "+i)
jQuery('tbody tr:gt(0)').each(function(){
jQuery(this).find('td').eq(i).find('input[type="checkbox"]').prop('disabled','disabled')
jQuery(this).find('td').eq(i).find('input[type="checkbox"]').prop('checked',false)
jQuery(this).find('td').eq(i).css('background-color','#D3D3D3')
});

}

else
{
jQuery('tbody tr:gt(0)').each(function(){
jQuery(this).find('td').eq(i).find('input[type="checkbox"]').prop('disabled',false)
jQuery(this).find('td').eq(i).css('background-color','white')
});
}


}

});

Thanks!