Operant conditioning – IB Psychology Study Notes

Comprehensive IB Psychology study notes on Operant conditioning. Covers key theories, research studies, and evaluation points for the 2027 syllabus.

Mark Scheme SECTION A MARK SCHEME 4 marks Must Include: • Skinner's learning through consequences • Behaviour shaped by outcomes • Positive reinforcement: add reward → behaviour increases • Negative reinforcement: remove aversive stimulus → behaviour increases • Both reinforce strengthen behaviour, different mechanisms • Punishment: behaviour decreases • Voluntary, operant behaviour not involuntary • Two labelled examples showing reinforcement types Link Formula: "Behaviour increases after posit...