Sampling

• Why is it important to consider who participated in a study?

  To assess if findings can be generalized
• What are the five sampling techniques discussed?

  • Random
  • Systematic
  • Stratified
  • Opportunity
  • Volunteer
• What is the definition of target population?

  All individuals in the group to study
• What is generalization in research?

  Applying results from a sample to the population
• What is the strength of random sampling?

  Avoids researcher bias
• What is a potential weakness of random sampling?

  Can result in an unrepresentative sample
• How is systematic sampling conducted?

  Selecting every Nth person from a list
• What is a strength of systematic sampling?

  Reduces researcher bias in selection
• What is a weakness of systematic sampling?

  Can still yield an unrepresentative sample
• What is an opportunity sample?

  Participants are selected based on availability
• What is a strength of opportunity sampling?

  It is a fast way to gather a sample
• What is a major weakness of opportunity sampling?

  Potential for researcher bias in selection
• What is a volunteer sample?

  Participants select themselves to join
• What is a strength of volunteer sampling?

  Can reach a large number of participants
• What is a weakness of volunteer sampling?

  May lead to volunteer bias in results
• What is a stratified sample?

  A sample that represents subgroups of the population
• What is the main advantage of stratified sampling?

  It creates a representative sample of the population
• What is a potential weakness of stratified sampling?

  It can be time-consuming and complex
• What does WEIRD stand for in psychology research?

  Western, Educated, Industrial, Rich, Democratic
• Why is the WEIRD sample a concern in psychology?

  It may not generalize to the global population
• What is a criticism regarding historical studies in psychology?

  They often ignore or underrepresent women
• Why is understanding participant demographics important in research?

  It helps ensure representative sampling