During his time in the cave, Siffre rode a cycle machine, fired a pellet rifle and threaded beads.
Identify what these tasks were used to measure.
Changes in his performance and dexterity during isolation
The content of his dreams
The length of each sleep–wake cycle
The amount of light inside the cave
36 exam-style questions on Edexcel GCSE Psychology 9.2 Studies, covering 9.2.1 Freud (1909) Little Hans and 9.2.2 Siffre (1975). Each one has a worked solution and a mark scheme showing where the marks go.