Symptom validity in clinical assessments

Research output: ThesisDoctoral ThesisExternal prepared

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Psychological tests may help healthcare professionals make the right diagnosis and give adequate treatment advice. Patients taking a test are expected to do their best and fill in questionnaires honestly and accurately. However, it turns out that this may not always the case. The validity of self-reported symptoms and performance in cognitive tests is defined as symptom validity. This dissertation shows that symptom validity is insufficient in a substantial minority of psychological tests. As a result, these tests may not provide reliable diagnostic information about a patient. An important clinical implication is that symptom validity should always be measured when performing psychological evaluations.
Original languageEnglish
Awarding Institution
  • Maastricht University
  • Ponds, Rudolf, Supervisor
  • Verhey, Frans, Supervisor
Award date2 Jun 2017
Place of PublicationMaastricht
Print ISBNs978-94-6233-634-6
Publication statusPublished - 2017


  • healthcare
  • diagnosis
  • treatment advice
  • psychological tests
  • symptom validity

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