Using a joystick as a response and defining correct response.

[Pip]

I'm not sure that you can do this automatically, but if you code some inline to store the final x co ord of the cursor then you can look at this in the output file and use filters to determine whether the correct answer was given. You can also set up a screen that will respond if the answer was "correct" through using this method. 

Essentially you set a variable, get EPRime to write the x co ord to that variable and then get a conditional statement to read that file and feedback the necessary response to the participant 

Hope this helped

Pip

Sent from my iPhone

On 31 Oct 2012, at 21:00, Diana Laura Rosa Leyra <dl.rosaleyra at gmail.com> wrote:

> All, 
> 
> We would like to use a joystick as a response device. Our task requires participants to judge whether the hand they see on the screen is a right or left hand. We'd like for them to respond with the joystick. Basically, I am trying to define a correct answer in terms of the position of the joystick at the time of response. Anyone have any ideas on how this would work and if it would work at all? 
> 
> I am working with EPrime 2.0 Professional and know that I have to use a bit of code, but am unsure as to where or how to use it. 
> 
> Thank you, 
> Diana 
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