Multiple choice form to inline script

Paula

Hi!

I'd like to use to create a multiple choice form with in-line script. How can I "translate" this option to inline script?

set allow_multiple "yes"

Thanks!

Paula

I'd like to provide a bit more context to my question.

The question in the survey is:

What educational titles do you have?

And hypothetical answer options are:

• Level 1
• Level 2
• Other

Respondents can select multiple educational levels. The problem is, once they select "Other" I want them to also fill in what other educational level they may have.

To do so, I should use in-line script for the multiple choice form.

If I use inline script, I don't know how to script a multiple choice question (the issue is this line: set allow_multiple "yes")...

If I use multiple choice preset form, I don't know how to set the condition in "Run if" for the form corresponding to filling in "other" because it is a multiple choice form. So, if a person ONLY selects "other", then it is easy to fill in the "run if" command ([educ]='Other' works fine). But, if a person specifies both "Level 1" and "Other" then it becomes more complicated, as there are multiple combinations of possibly selected answers...

So, I think the "easiest" way to do this, is to use an inline script. But I am still left with the question of how to "make" a multiple choice question in an inline script...

Any ideas are much appreciated.

I attach a small experiment to illustrate my challenge.

Newexperiment.osexp

lvanderlinden

Hi Paula,

Thanks for the additional info!

I think it's easiest to use a Run-if statement. Because, as you said, participants could check multiple boxes, you could add a bit of Python code in an inline_script item to determine whether or not to run the additional question. You could put something like the following in its Run tab:

var.run_additional_question = "no"

if "Other" in var.educ:
    var.run_additional_question = "yes"

Make sure to:

• Use the square-bracket method for the Run-if statement in the tab of your trial_sequence:

[run_additional_question] = "yes"

• Put the Python code in the Run phase and place the inline_script item after the first question but before the additional question

I attached an example experiment.

Hope this helps!

Cheers,

Lotje

6694.osexp

Paula

Thank you very much, Lotje!

This is a very good solution to my problem.

Best,

Paula

lvanderlinden

Great to hear @Paula

Paula

Hi! I have an additional question :) What if I also want to add a form validator (forced response) to this question?

I know I need to add this code to an inline script:

while True:
	incomplete = False
	items.execute("form_multiple_choice")
	if None in [var.educ]:
		incomplete = True
	if not incomplete:
			break
	else:
		items.execute("warning_message")

However, I am having trouble in the following line, as it seems OS simply ignores it and the warning message is never displayed:

           if None in [var.educ]:

Paula

It seems to be working by changing " None " to " u'no' " in this way:

if u'no' in [var.educ]:

lvanderlinden

Hi @Paula ,

If you don't make a choice after a form_multiple_choice item, the response variable is indeed set to "no". Well done for finding this out! :)

In the future, printing variables to the console could be helpful:

print(var.educ)

Or is this exactly what you did?

Cheers,

Lotje

Paula

Thank you for the tip on print(var)!

I figured it out because the OS documentation mentions that for some forms (ratingscales vs checkboxes), the default is 'None' and for others it is 'no'. I tried both to see which one works, taking a low-tech approach :-) The documentation is quite complete and that helps a lot!

lvanderlinden

Good job, @Paula !