Paper 4 definitions

This is when data collection is not influenced by people's personal opinion

• Objective
• Subjective

This is when your personal opinion influences the outcome

• Objective
• Subjective

This is data that has been collected by you e.g. traffic counts and questionnaires

• Primary data
• Secondary data

This is data collected by someone else w.g. on the internet or academic journals

• Primary data
• Secondary data

This is data that involves numbers. It is very easy to present and analyse.

• Quantitative 
• Qualitative

This is written data that often comes out from interviews with open ended questions.

• Quantitative
• Qualitative 

This is a test that you carry out before data collection.

• Pilot survey
• Pre survey

This is the sampling strategy where you collect data in a regular pattern.

• Systematic
• Stratified

This is the sampling strategy where everyone in the study has an equal chance of being selected.

• Stratified
• Random

This is the sampling method where a strategy is involved

• Stratified
• Systematic