Concept:Learning theories are linked to specific psychologists. A mismatch indicates the incorrect pair.Explanation:Stimulus-response theory was developed by Thorndike — correct pairing.Operant conditioning theory was proposed by B.F. Skinner — correct pairing.Classical conditioning theory was introduced by Pavlov — correct pairing.Holistic theory of learning is not associated with Clark Hull. Hull formulated a systematic mathematical theory of behaviour based on conditioning and connectionism. Therefore, the pair "Holistic theory - Hull" is false.Answer:Option D (Holistic theory of learning - Hull) is not true.