Assertion: For most behaviourists, the structural unit of personality is the stimuli.
Reasoning: The core tendency that organises behaviour in an individual is the reduction of biological or social needs that energise behaviour.
Answer & explanation
Correct answer: option 4
For most behaviourists, the structural unit of personality is the response.
Reasoing is correct because the core tendency that organises behaviour is the reduction of biological or social needs that energise behaviour. This is accomplished through responses (behaviours) that are reinforced.