type of data collection

• primary data collection pros:

  • its reliable
  • we can choose what we need and take as much data as we want
  • its up to date
• primary data collection cons:

  • its time consuming
  • we needed specialist equipment
  • you need a large sample size
• secondary data collection pros:

  • easy to access
  • has a low cost
  • you can access it quickly
  • there is lots of data available
• secondary data collection cons:

  • its not specific
  • there is no control of quality
  • the sample size needs to be accurate
  • may have bias results
  • could be out of date