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Related Experiment Video

Updated: Jul 11, 2026

Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test

Published on: November 23, 2019

Exploring the validity of the comprehensive trail making test.

Steven R Smith¹, Amanda M Servesco, Jordan W Edwards

¹Department of Counselling, Clinical, and School Psychology, University of California, Santa Barbara, CA 93106-9490, USA. ssmith@educatino.ucsb.edu

The Clinical Neuropsychologist

|September 14, 2007

Summary

This summary is machine-generated.

The Comprehensive Trail Making Test (CTMT) shows promise in distinguishing clinical from non-clinical groups. It appears largely unrelated to other cognitive and symptom measures, suggesting unique utility in neuropsychological assessments.

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Area of Science:

Neuropsychology
Cognitive Assessment
Psychometrics

Background:

The Comprehensive Trail Making Test (CTMT) is a cognitive assessment tool.
Its validity and utility require independent investigation.

Purpose of the Study:

To conduct the first independent investigation of the CTMT.
To examine the convergent, divergent, and discriminant validity of the CTMT.
To assess the CTMT's ability to differentiate clinical and non-clinical groups.

Main Methods:

Investigated convergent and divergent validity by correlating CTMT scores with other measures.
Examined discriminant validity by comparing scores between clinical and non-clinical samples.
Utilized both clinical and non-clinical participant groups.

Main Results:

The CTMT demonstrated limited correlation with processing speed, nonverbal reasoning, verbal processing, and psychiatric symptoms.
The CTMT Composite score effectively differentiated between clinical and non-clinical groups, showing a large effect size.
Convergent and divergent validity were not strongly supported by the observed relationships.

Conclusions:

The CTMT appears to be largely independent of other cognitive and symptom measures.
The CTMT shows potential as a valuable tool for distinguishing clinical populations.
Further research is recommended to solidify the CTMT's role in neuropsychological test batteries.