OCR 2023 GCSE Psychology J203/02: Studies and applications in Psychology 2 Question Paper & Mark Scheme (Merged)

2 © OCR 2023 Section A Sleep and Dreaming 1 (a) Identify which of the following is an exogenous zeitgeber. A Light B Melatonin C Pineal gland D Suprachiasmatic nucleus (SCN) Your answer [1] (b) Identify the number of stages in a complete sleep cycle. A 3 B 4 C 5 D 6 Your answer [1] (c) Identify which of the following statements is correct. A Melatonin levels are high at night and low in the morning B Melatonin levels are high in the morning and low at night C Melatonin levels go up and down during the night D Melatonin levels remain the same all day and all night Your answer [1] 3 © OCR 2023 Turn over 2 Explain what REM sleep is. .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .................................................................................................................................................. [2] 3 Charlie and Alex share a bedroom. Charlie is having trouble getting to sleep. Charlie’s mother has been researching ways in which their bedroom could be changed to help Charlie get to sleep. (a) State the type of insomnia Charlie is experiencin