Experiment Setup (IMAGE) Max Planck Institute of Geoanthropology Caption The overall set-up of the experiment, showing the two V-shaped fences, the experimenter who places the reward, the experimenter holding the dog, and the dog in starting position, without a curtain to block the view. This dog was participating in the third variation, with a time delay. Credit DogStudies. Belger & Bräuer, 2018. Metacognition in dogs: Do dogs know they could be wrong? <em>Learning & Behavior</em>. DOI: 10.3758/s13420-018-0367-5. Usage Restrictions This image may only be used in the context of reporting on this publication and with appropriate credit information. 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.