When Victor was in the army, he witnesses his friend's leg being blown off by a landmine. Victor is now living a civilian life, but is now affected by post-traumatic stress from this event. One day a car backfired while he was shopping in town and there was a very loud bang. Victor had a severe panic attack, which left him housebound for many days.

Evaluate classical conditioning as an explanation of human behaviour. Refer to Victor in your answer.

This question is worth 12 marks.