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Hello,

I have used this: 

to allow for participants to only select 1 answer per column for an array (number) type of question but I can't figure out how to implement the same thing for just a normal array question. I also saw that I can use self question validation but also am unsure of how to implement it correctly. Any direction would be much appreciated. Thank you.<script type="text/javascript" charset="utf-8">
$(document).ready(function() {
 
// Define the maximum answers per column
var maxAnswers = 1;
 
// Identify this question
var thisQuestion = $('#question{QID}');
 
// Index the array columns
$('table.subquestion-list tr', thisQuestion).each(function(i) {
$('> *', this).each(function(i) {
$(this).attr('data-index', i);
});
});
 
// Listener on the checkboxes
$('input[type="checkbox"]', thisQuestion).on('change', function(e) {
var thisIndex = $(this).closest('.answer-item').attr('data-index');
$('[data-index="'+thisIndex+'"] input[type="checkbox"]', thisQuestion).prop('disabled', false);
 
// If max reached, disable unchecked inputs in this column
if($('[data-index="'+thisIndex+'"] input[type="checkbox"]:checked', thisQuestion).length >= maxAnswers) {
$('[data-index="'+thisIndex+'"] input[type="checkbox"]:not(:checked)', thisQuestion).prop('disabled', true);
}
});
});
</script>

to allow for participants to only select 1 answer per column for an array (number) type of question but I can't figure out how to implement the same thing for just a normal array question. I also saw that I can use self question validation but also am unsure of how to implement it correctly. Any direction would be much appreciated.

Thank you.
 

Hi,
to achieve it in a normal array use the function "unique(x)"
So in the "question valdation equation" enter unique(self)




 

Hello,

Thanks for your response.

So I entered "unique(self.sq_1c) and unique(self.sq_2c) and unique(self.sq_3c) and unique(self.sq_4c)" into the question validator (with 1c,2c,3c,4c being the column answer identifiers). However, this did not work, am I missing something?

Thank you.

Hi,
where did you read anything about unique(self.sq_2c)?
I see only

So in the "question valdation equation" enter unique(self)

Joffm

In an array "unique(self.sq_2c)" is useless, because it is unique by definition.
The code of one column has one and always the same value. 
Here you may see some alternatives to force unique values.
[url] demo.sondages.pro/714997?lang=en# [/url]
 

Hello,

Just tying in what I saw on other threads. I see now I was overcomplicating things.

Thank you!

Hello,

Now I am wondering if it is possible to have 1) 1 answer per column (which I have used with "unique(self)" AND allow for 2) Multiple answers per row in a regular array question? Or even the checkbox array.

Thank you,

Boshra

You cannot have multiple answer per row in a normal array question because it uses radio inputs which, by definition, only allow one selected.

Sorry, now I am confused.
What exactly are you going to achieve?
Can't you show an example?

1) 1 answer per column  AND allow for
2) Multiple answers per row in a regular array question? 

Not in an array. But it is the exact requirement for an "array by columns"
 
  

Or even the checkbox array

This is a further option to achieve it. Here you have to add some validation 

So, please, explain, what you want to ask, show something like a drawing how it should look like 

Joffm





 

The array by columns is exactly what I needed. Thank you very much.