1. a psychologist or scientist who studies behavior based on the theory that behavior is learned through conditioning and environmental factors rather than innate traits
Usage: chiefly British spelling; American English uses 'behaviorist'

1. relating to or based on the principles and methods of behaviorism
Usage: chiefly British spelling; American English uses 'behaviorist'

Examples

• The behaviourist approach focuses on observable actions rather than internal mental states.
• B.F. Skinner was a famous behaviourist who conducted experiments with animals.
• Behaviourist psychologists believe that most behavior is shaped by rewards and punishments.
• The school adopted a behaviourist framework for managing student conduct.
• Her research uses behaviourist methods to study learning in children.
• Behaviourist theory has been influential in education and animal training.