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Chaining is an instructional procedure used in behavioral psychology, experimental analysis of behavior and applied behavior analysis. It involves reinforcing individual responses occurring in a sequence to form a complex behavior.haining is an instructional procedure used in behavioral psychology, experimental analysis of behavior and applied behavior analysis. It involves reinforcing individual responses occurring in a sequence to form a complex behavior.
Definition of chain mail for English Language Learners : a kind of protective clothing (called armor) that is made up of many tiny metal rings that are linked together and that was worn by knights and soldiers in the Middle Ages