- Time and money
different methods require different amounts of time and money.
Large scale surveys= more money
Small scale survey= less money but takes longer to complete
- Requirements of funding bodies
Funding bodies may require a specific method to be used. i.e educational achievement on pass rates would have to be in the form of quantitative data.
- Personal skills and characteristics
Each researchers have different skills. These skills influence what method is used. i.e sociable person may prefer doing participantobservations.
- Subject matter
Difficulty in studying a particular group. i.e a male sociologist studying a female group in aparticipant observation.
- Research opportunity
The opportunity of carrying out a research arises unexpectedly. This means structured methods usually cannot be used due to lack of time to prepare.