Last Week
     We went through the research process
      ◦Original Article vs. Secondary source
      ◦How to find and read a paper
      ◦Scientific writing style
      ◦Research Treasure Hunt
      ◦Maths questionnaire
     This week: Issues with questionnaire design
    Today
     Sampling
     Consent
     Question types
     Answer types
     Questionnaire design
     Coding 
     Issues with questionnaires handout 
     Fast food questionnaire 
    Sampling
     Who to ask: your target population
     How many people 
     Avoid a biased sample, e.g. if asking about 
      drinking behaviour in men and women:
      ◦ Don’t just ask women
      ◦ Don’t just ask people in a bar
      ◦ Don’t just ask tee-totallers
   Consent
     You must adhere to a strict code of ethics in 
     your research: 
    http://www.bps.org.uk/sites/default/files/do
    cuments/code_of_ethics_and_conduct.pdf
     Participants must:
      ◦give consent to take part
      ◦not be coerced into participating
      ◦be free to withdraw at any time
   Question Types: Open-
   Ended
    Participants create their own answers
     ◦“What is your age?”
     ◦“Are you a smoker?”
     ◦“What are your favourite TV programmes?”
     ◦“How much do you like biscuits?”