In this task you will be shown two boxes with different amount of dots in them.
The boxes will appear to flicker as they show 5 random arrangements of the dots.
Your task is to indicate which box has more dots in it.
The first 20 trials are practice trials with feedback.
The subsequent 100 trials will be ask you to rate your confidence in your response.
Please try to use the entire confidence scale throughout the task if you can.
Please press the spacebar or click anywhere to begin.
Press e if the box on the left had more dots.
Press i if the box on the right had more dots.
Or click/touch the box with more dots.