12 marks
Explain the difference between infradian rhythms and ultradian rhythms.
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Biological Rhythms (AQA A Level Psychology)
Exam Questions
17 mins5 questions22 marks
Biological rhythms are influenced by endogenous pacemakers and exogenous zeitgebers.
Outline the difference between endogenous pacemakers and exogenous zeitgebers. Use examples in your answer.
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13 marks
Julia decided to record how many hours her baby slept for in the day and in the night for box one week.
Table 1 The number of hours slept in the day and the number of hours slept in the night over one week
Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday | |
Number of hours slept in the day | 8.5 | 9.0 | 7.0 | 9.5 | 10.5 | 6.5 | 8.5 |
Number of hours slept in the night | 9.0 | 8.0 | 8.5 | 7.0 | 7.5 | 10.5 | 8.0 |
Calculate the mean number of hours slept in the night. Show your workings.
Give your answer to two significant figures.
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22 marks
Explain one reason why the mean is the most appropriate measure of central tendency for this set of data.
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18 marks
Julia complains that her baby is sleeping all day and keeping her awake all night.
Using your knowledge of research into exogenous zeitgebers, discuss what Julia could do to encourage her baby to sleep more at night.
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