Sample Dot and Line Pairs (image) Association for Psychological Science Share Print E-Mail Caption This image shows sample pictorial ratios of either pairs of dot groupings or pairs of line segments. Credit © Percival G. Mathews, Mark Rose Lewis, Edward M. Hubbard. Psychological Science, 2016. Usage Restrictions Image may be used with credit to the researchers and the journal. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.