An agricultural scientist wants to conduct a field study to investigate whether smallholder farms using organic pest-management systems differ from those using conventional synthetic pesticide systems in relation to their soil-ecosystem health. In order to do this, he needs to consider how to measure his dependent variable and how to analyze the data that he collects.
Explain how the scientist might measure the dependent variable in this study.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) 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.
