Primary and Secondary Data
Primary data is data that you have collected and analysed yourself. Secondary data is data that has already been collected by another person.

Primary data
- Primary data refers to data that has been collected firsthand by the researcher.
- Examples of primary data include:
- Taking measurements.
- Questionnaires.
- Interviews.

Examples of primary data
- Actual product analysis.
- This is analysing how a product functions and looks.
- Disassembly.
- To take a product fully apart to see how it fits together or functions.
- Material testing.
- How strong or durable is the material.

Secondary data
- Secondary data refers to data that has been collected before by another person.
- Examples of secondary data include:
- Books, magazines and web pages.
- Data and statistics from companies, the government or researchers.
- Work of existing designers or other pupils.
- Media outlets such as the news, radio and TV.