external validity

• What are the two types of validity in research?

  Internal validity and external validity
• What does internal validity measure in a study?

  Confidence in cause-and-effect relationships
• What is external validity concerned with?

  Generalization of study results to other situations
• What does ecological validity refer to?

  Generalization to real-life behavior
• What is temporal validity?

  Generalization of study results across time
• Why might a study lose temporal validity?

  Societal changes affecting accuracy over time
• What is population validity in psychology?

  Generalization of results to the entire population studied
• How does population validity impact research findings?

  It determines if results apply to the whole population
• What are the types of validity in research and their meanings?

  • Internal validity: Confidence in cause-and-effect relationships
  • External validity: Generalization of results to other situations
  • Ecological validity: Generalization to real-life behavior
  • Temporal validity: Generalization across time
  • Population validity: Generalization to the entire population studied