PSYCHOLOGY NEEDS EVOLUTIONARY THEORY: Bridgeman, B (2003) Psychology and evolution: The origins of mind. Thousand Oaks, CA: Sage Publications. ISBN 0-7619-2479-5. Plotkin, H (2003) The imagined world made real: Towards a natural science of culture. London: Allen Lane, The Penguin Press. ISBN 0-71-399408-8. - Barrett, Louise (PINS-Psychology in Society, 2026)