Sampling

• What is the term used for a sample that is large enough to be representative?


  Representative sample
• Why is it important for a sample to be representative of the general population?

  It increases the chance of accurate generalizations
• What is a potential issue with participants in a study?


  They may not be willing to reveal information
• What does a quota sampling method involve?


  It involves selecting a certain number of participants from each category
• What are the strengths and weaknesses of quota sampling?


  It can be biased and time-consuming
• What is a characteristic of convenience sampling?


  It consists of participants who are readily available
• What is the main drawback of opportunity sampling?


  It may not represent the population accurately
• What does snowball sampling involve?


  Recruiting a small number of participants and asking them to introduce others
• Why is snowball sampling often not representative?


  Because it relies on existing participants to recruit others
• What are the key characteristics of stratified sampling?


  • Classifying the population into categories
  • Selecting participants from each category
  • More time-consuming than other sampling methods
• What are the implications of using biased sampling methods?


  • Results may not generalize to the broader population
  • Can lead to inaccurate conclusions
  • Reduces the validity of the research