A group of students carried out a human geography fieldwork investigation into the impacts of gentrification in an inner-city urban area. To assess local residents' views on rising housing costs, they used convenience sampling to interview people outside a high-end delicatessen between 12:00 and 14:00 on a weekday.
Explain one limitation of using convenience sampling in this investigation.
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.