VALIDITY

• What is validity?

  refers to how true something is
• what is temporal validity?

  findings should be consistent over time.
• what is population validity?

  concerned with the people that are studied
• what is ecological validity?

  whether findings can be generalised from one setting to another
• what is face validity?

  whether the test appears to measure what it claims to
• what is concurrent validity?

  whether the findings are similar to those on a well established test