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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Acta Psychol (Amst). 2012 Oct 23;141(3):373–379. doi: 10.1016/j.actpsy.2012.09.009

Figure 1.

Figure 1

Sample stimuli of the ANS precision test. On the left is an easy ratio of 2.0 (24 blue dots and 12 yellow dots), and on the right is the difficult ratio of 1.05 (17 yellow dots and 18 blue dots).