A researcher finds that people who spend more hours on their cell phone each night report more difficulty sleeping. Which conclusion can be drawn? Shade one box.
Using a cell phone at night causes difficulty sleeping.
Difficulty sleeping causes people to use their cell phone more.
There is an association between the two variables.
There is no relationship between the two variables.
5 exam-style questions on Oxford AQA IGCSE Psychology 2.4 Research methods, covering 2.4.1 Research methods (shared with Paper 1). Each one has a worked solution and a mark scheme showing where the marks go.