Biological rhythms example answers (BIOPSYCHOLOGY / AQA Psychology)

Model answers for the following;
Discuss research into circadian rhythms. In your answer refer to research evidence (16 marks)
Describe and evaluate research into infradian and ultradian rhythms (16 marks)
Describe and evaluate research into the effects of endogenous pacemakers and exogenous zeitgebers on the sleep wake cycle (16 marks)

All are typed onto one page thus producing a realistic image as to what can be written in the time students are given to answer these essays.

All answers are based on the AQA approved textbook.