[solved] Setting Up an Experiment

Comments

• sebastiaan

  January 2012 edited 7:57PM

  Hi Vikki,

  As a first step, don't worry about the background and the location of the person. Just focus on selecting the proper person image.

  Step 1 First, give convenient names to all your person images. Like so:

  1-face.png
  1-body.png
  1-full.png
  ...
  12-face.png
  12-body.png
  12-full.png

  Step 2 Now add two variables to the block loop, to define the person nr. (person_nr) and the body part (body_part). Please see the tutorial for how to do this. You should end up with a loop table like this:

  person_nr body_part
  1  face
  1  body
  1  full
  ...
  12 face
  12 body
  12 full

  Step 3 Now add a sketchpad to the trial sequence and add some person image to some location on the sketchpad. Now, right click on the image and select edit. Change the script so that the two variables are used to select the correct person image:

  draw image 0.0 0.0 "[person_nr]-[body_part].png" scale=1.0 center=1 show_if="always"

  Click ok to accept.

  Now you should already have an important part of your experiment in place! Does this work for you?

  Cheers,
  Sebastiaan

  
  
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• Vikki

  January 2012 edited 7:57PM

  Thank you so much,

  I will let you know how I get on! I'm sure I will have another millions questions :-)

  Thanks again,

  Vikki