Researcher at Work (IMAGE) Aarhus University Caption Researchers from Norway, Denmark, New Zealand and the US have conducted an investigation into the association between societal inequality and instability and psychological motives for group dominance with about 45,000 persons across 27 nations and 30 American states. Credit Aarhus 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.