Displaying/logging multiple character input while stimulus present

choql

Hello,

I am trying to design a math study that asks children to enter the answer to an equation and press 'enter' to move on to the next question. I tried using @sebastiaan's student number example, but my problem is, the math problem displayed on sketchpad moves on to the next question with only 1-keypress. This is problematic since my answers also include double-digits. Basically, I need the sketchpad with math equation stimulus to wait until a child inputs the answer and presses 'enter' and record child's response. I would also like to display child's answer simultaneously below the arithmetic problem.

Any help would be appreciated, and thanks in advance!

lvanderlinden

Hi @choql ,

Have you considered using a form_text_input item instead of a sketchpad - keyboard_response combination?

• https://osdoc.cogsci.nl/3.3/manual/forms/readymade/

When Sebastiaan wrote the student-number example, theform plugins were not yet supported by OSWeb, but now they are (with the exception of the form_base item).

• https://osdoc.cogsci.nl/3.3/manual/osweb/osweb/#supported-functionality

Hope this helps!

Cheers,

Lotje

choql

@lvanderlinden

Thank you for your response! However, does 'form_text_input' have a 'correct' or 'response time' variable?

Again, thank you for your help!

eduard

Hi,

As far as I know, the forms don't have a correct variable defined. But that isn't terribly difficult to calculate yourself. If you have variable that keeps track of what the correct_response should be, you can simply add these few lines to an inline_script that you put after the form in the sequence (in the run phase!):

# where response is the variable that you specified in your form the input 
# should be stored into 
if var.response == correct_response:
    var.correct = 1
else:
    var.correct = 0

response times

Yes, they should be stored in form_response_time. However, they don't represent when things happen within the form, but only when the form was completed (ok button pressed or whatever), so I don't think there is a straightforward way to extract the time participants needed to make the first key stroke, I am afraid.

I hope this helps. Let me know if more things are unclear.

Eduard