Hi, mana,
well, I have a solution, if it is the first row.
create a group with two question of matrix type
1. question (mandatory): only the mandatory row.
2. question (not mandatory): all other rows.
Do not enter subquestiion text in X-scale
Remember to set the same value of "subquestion width" in advanced settings.
in the question text of question 2 add:
Code:
<style>
#question290 .question-title-container, #question290 .questionvalidcontainer {
display:none;
}
#question290 .answer-container {
padding-top:0;
}
</style>
The "
290" if the QID of this second question.
You can find out in "Survey logic file".
I know, setting the styling is better by JS - mainly getting the QID -, but I am not so familiar with that.
Anyway, you will get something like the screenshots.
I hope I could help a little bit.
Best regards
Joffm