Problem with csv log

Builder
1

I’m ready to start my thesis project after many many tests.

This is the experiment:
A stimulus image appears for 4 sec after that two other images appear and the subject have to choose ones with a ps3 controller to go on.
The two images are one the left and one on the right and how they swing from left to right is decided by this script:

from random import shuffle
pos = [[0.4, 0], [-0.4, 0]]

My problem is that the csv file doesn’t report the final position every trial.
So i don’t know which image is choosed by the subject. How can I solved my problem?

2

Hi @robbu, are you using the Joystick component, and does the component dialog box look like this:

Untitled

3

no, only “name” and I see only 0 and 1 .

Cattura

Probably i’ve just set the joystick component so bad that it doesn’t give me the output that I want.
I’ve asked subjects to press L1 for left images and R1 for right images and yes, it stores it! for every trial when L1 is pressed and so R1. But what I need is knowing which images is displayed in that trial on the left and on the right.
I hope to be clear.

4

Thanks, it sounds like you just want to save the position of the images that are presented. You can do this in the End Routine tab of the code component:

thisExp.addData("leftImagePos", leftImage.pos ) 
thisExp.addData("rightImagePos", rightImage.pos ) 

# Where leftImage and rightImage are the names of your image components
5

2
21323×130 96.2 KB

ohh perfect! Now I see all the coordinates. Thank you so much!

6

Can I see this data in function of position?
something like 2 column of “left” and “right” and than all the images listed

but this is a big progress for my work!

7

If you want to save the name of the images? Then, try:

thisExp.addData("leftImage_image", leftImage.image) 
thisExp.addData("rightImage_image", rightImage.image)