sampling

• what is a target population?


  The specific group of individuals that a researcher or study is interested in studying or collecting data from.
• what does generalistation mean?

  the ability to make a statement about the target population in relation to the sample
• what is a random method 


  every person in the target population has a equal chance of being chosen
• how does a random method work?


  list of target population, given a number then those numbers are picked at random by a generator or picking out a hat
• what are the strengths of a random method


  lacks bias

  equal chances
• what are the weaknesses of random methods


  time consuming

  bias
• What is an opportunity

  Being at the right place at the right time
• how does an opportunity work?

  researchers go into the room and select ppts who are present
• strengths of opportunities?

  • easy to conduct
  • cheap
  • method is quick
  • simple
• weaknesses of opportunities

  • results are hard to generalise
  • bias