Display images at a random position
Column name: stimPos
Example Values: 50|100|150 100_200
Example Values: 50|100|150 100_200
Image will be presented at a randomly chosen horizontal displacement of either 5px, 100px or 150px and at a vertical displacement randomly chosen from 100px to 200px
- Create position sets by separating possible positions with "|"
- Testable will present the image in a randomly selected position from the set
- Create position ranges by using "_" to separate min and max values.
- Testable will present the image at a random position chosen from the range
- Specify the step size in a range by using an extra "_" (i.e. 100_200_10)
- That means that only positions in increments of 10 are possible (i.e. 100, 110, 120 etc.)