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MacArthur Competence Assessment Tool-Criminal Adjudication

Appropriate for use with both felony and misdemeanor defendants.
MacArthur Competence Assessment Tool–Criminal Adjudication (MacCAT-CA™)
Steven K. Hoge, MD, Richard J. Bonnie, LLB, Norman G. Poythress, PhD, and John Monahan, PhD
Purpose:Evaluate a defendant's capacity to proceed to adjudication
Age range:18 to 80 years
Admin time:25 to 55 minutes
Scoring time:10 minutes
Qualification level:B
View print pricing.

The MacCAT-CA is a 22-item structured interview for the pretrial assessment of adjudicative competence.

  • Uses a vignette format and objectively scored questions to standardize the measurement of three competence-related abilities: understanding, reasoning, and appreciation.
  • The eight understanding and eight reasoning items are based on a brief vignette that describes a hypothetical crime; the 16 items query about prosecution of the hypothetical defendant. This approach was designed to introduce legal issues in a way that distances the defendant from the specifics of his or her own case.
  • The six appreciation items query defendants about their attitudes and beliefs concerning the legal process as it surrounds their own cases.
  • Norms are based on the scores of 729 defendants; score ranges for three levels of impairment (none or minimal, mild, and clinically significant) are provided for each measured ability.
  • Validated with three groups of criminal defendants with varying competence levels and mental illness treatment histories.

Item numberProduct descriptionList priceAdd to Cart
WW-4213-KTMacCAT-CA Introductory Kit
includes MacCAT-CA Professional Manual and 20 Interview Booklets
Manuals, Books, and Equipment
Item numberProduct descriptionList priceAdd to Cart
WW-4214-TMMacCAT-CA Professional Manual$58.00
Forms and Booklets
Item numberProduct descriptionList priceAdd to Cart
WW-4215-TBMacCAT-CA Interview Booklets (pkg/10)$101.00
WW-4496-TBMacCAT-CA Interview Booklets (pkg/20)$194.00
Related Products
Evaluation of Competency to Stand Trial™–Revised (ECST™-R)
Miller Forensic Assessment of Symptoms Test™ (M-FAST™)

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