Data

• What is the difference between primary and secondary data


  Primary data is collected specifically for the purpose of the current study, secondary is data that was collected previously for a different study or purpose
• What is the difference between quantitative data and qualitative data


  Quantitative data is numerical, qualitative data expresses the ‘quality’ of things - descriptions, words, meanings, pictures etc
• advantages of qualitative data


  • Represents complexity of human behaviour
  • Greater validity - provides rich details of how people think
• advantages of quantitative data


  • easier to analyse
  • More objective approach - greater validity
• disadvantages of quantitative data


  • may not express views precisely - less validity than asking someone to describe their views
  • oversimplifies reality and human experiences - reductionist approach
• What is the definition of correlation


  A relationship between two measured variables so that a change in one variable indicates a change in the other