Characteristic Angry and Sad Drawings from Study (image) Dartmouth College Share Print E-Mail Caption Characteristic angry and sad drawings from study 3, after smoothing and corner detection. Corners are marked with red '+' signs. Among the study's participants, angry drawings had a mean of 23.3 corners, while sad drawings had a mean of 6.6 corners. Credit Graphic compiled by Beau Sievers. (Figure 5 from the paper). Usage Restrictions None 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.