Validity

• Define validity

  Whether a study measures what it claims to or not
• What are the 8 types of validity

  Internal, external, face, temporal, population, ecological, content, concurrent
• Define internal validity

  Refers to the test or measure being used.
• Define external validity

  Refers to issues beyond the investigation.
• Define face validity

  Whether a measure appears to test what it claims.
• Define temporal (historical) validity

  Whether findings from a study in one era can be generalised to another era.
• Define population validity

  Whether findings can be generalised to the target population.
• Define ecological validity

  Whether findings can be generalised to real life situations.
• Define content validity

  Content of measurement is appropriate for gathering data on a particular subject.
• Define concurrent validity

  Whether measures will produce a similar score to other tests.