Test Rooms (IMAGE) Max Planck Institute of Geoanthropology Caption This is a diagram of the test rooms. Credit Juliane Braeuer and Julia Belger. A ball is not a kong: Odour representation and search behavior in domestic dogs of different education. <i>Journal of Comparative Psychology</i>. DOI: 10.1037/com0000115 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.