Dr. Vane is investigating whether the ambient temperature of a room affects the reading comprehension scores of students. He plans to have one group of students read a passage in a room heated to 28∘C28^\circ\text{C}28∘C and another group read the same passage in a room kept at 20∘C20^\circ\text{C}20∘C.
Explain the terms 'independent variable' and 'dependent variable' using Dr. Vane's research as an example.
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 638 questions, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.