For a geographical investigation you completed in a human environment (either urban or rural):
Evaluate the extent to which your choice of sampling strategies (for primary data) and your selection of secondary sources limited or enhanced the validity of your conclusions.
You must refer to your primary data collection and secondary sources, as well as a specific, named human environment in your response.
107 exam-style questions on Edexcel A GCSE Geography Investigating human environments (urban or rural). Each one has a worked solution and a mark scheme showing where the marks go.