Dr Vance conducted a study to investigate whether there is a difference in spatial reasoning ability between video gamers and non-gamers. He used an independent groups design and collected ordinal level data. State three reasons why Dr Vance would choose the Mann-Whitney U test to analyse his data.
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.