Development and preliminary validation of the mosley forensic competency scale

Dan Mosley, Bruce A. Thyer, Christopher Larrison

Research output: Contribution to journalArticlepeer-review


The Mosley Forensic Competency Scale (MFCS) is a 21-item true-false questionnaire intended for use as an assessment tool in forensic evaluations of competency to stand trial. Using a cutting scoreof 17 or higher asreflective ofcompetence, acomparison ofMFCS scoreswithforensicexaminer determinationsand court decisionspertain-ing to the competence of 75 prisoners found the new scale to possess excellent predictive validity. Suggestionsfor further validation studieson the MFC Sareprovided.

Original languageEnglish (US)
Pages (from-to)41-48
Number of pages8
JournalJournal of Human Behavior in the Social Environment
Issue number1
StatePublished - 2001
Externally publishedYes


  • Court decisions
  • Forensic evaluations
  • Mosley Forensic Competency Scale

ASJC Scopus subject areas

  • Anthropology
  • Social Sciences (miscellaneous)


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