The Aim and Free-Running Rhythms
The Aim and Free-Running Rhythms
Siffre investigated what happens to the sleep-wake cycle when external time cues are removed. A bodily rhythm controlled only by the internal body clock is called a free-running rhythm.
Step-by-step lessons on Edexcel GCSE Psychology 9.2.2 Siffre (1975). Each one builds up to exam-style questions. Start with the more concrete compulsory topics like memory and development before tackling evaluation-heavy optional topics and research methods.