A Selection of Shoes to Sort (IMAGE) Ohio State University Caption This image shows a selection of shoes used in the study. Ohio State University researchers found that people sorted the shoes into different categories depending on whether they saw the images in color or black and white. Credit The Ohio State University Usage Restrictions None License Licensed content 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.