When conducting 4.4 Market Research you’ve got to sample your population

IB Business Management HL uses

  1. Quota advantages:
  • data is representative of subgroups
  • detect relationships between sub-groups
  • research particular traits of a subgroup
  • researcher controls who is included in the sample
  • reliable disadvantages
  • not random (so researcher bias and sampling error)
  • figuring out which subgroup to survey can be tricky
  1. Random advantages: no bias, everyone in a population is equally likely to be selected, quick and simple disadvantages: tends to work if all population have similar views
  • random so could be very skewed
  • need a large sample size which can be expensive
  1. Convenience advantages: quick and easy disadvantages: least representative. does not represent a wider target population

non sampling error: participant of survey does not respond truthfully