research methods

• probability (random sampling)

  • simple random sampling : is when you use a computer to generate a random sample
• probability (random) sampling

  • systematic random sampling : use a system to pick participants ( eg.every 10th name )
• probability (random) sampling :

  • stratified random sampling : picking people from different groups within the population
• non-probability sampling

  • snowball sampling : reseacher selects one person then asks them to put them in touch with others
• non-probability sampling:

  • quota sampling : interviewer has an exact number of people from categories that they need
• non-probability sampling

  • purposive sampling: sample is selected using known characteristics