Intermanual and Alternate-Form Equivalence on the Trail Making Tests

Intermanual discrepancies in performance and alternate-form equivalence on the Trail Making Test were examined among 40 left- and 40 right-hand-preferred normal adults (N = 80). The findings indicate that administration of the Trail Making Tests to the nonpreferred hand does not result in a clinical...

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Bibliographic Details
Published inJournal of clinical and experimental neuropsychology Vol. 20; no. 1; pp. 107 - 110
Main Authors LoSasso, Gina L, Rapport, Lisa J, Axelrod, Bradley N, Reeder, Kenneth P
Format Journal Article
LanguageEnglish
Published England Taylor & Francis Group 01.02.1998
Subjects
Adolescent
Adult
Female
Functional Laterality
Humans
Individuality
Male
Middle Aged
Reference Values
Trail Making Test - statistics & numerical data
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Summary:Intermanual discrepancies in performance and alternate-form equivalence on the Trail Making Test were examined among 40 left- and 40 right-hand-preferred normal adults (N = 80). The findings indicate that administration of the Trail Making Tests to the nonpreferred hand does not result in a clinically meaningful difference in score. Neither hand preference nor task complexity (numeric or numeric/lexical) significantly affected the magnitude of the intermanual discrepancy. Mixed-model analyses of variance revealed an interaction (p < .001) indicating that the alternate form for the numeric/lexical Trail Making Test (Trail Making Test, Part D; TMT-D) is slightly more difficult than is the original form Trail Making Test, Part B (TMT-B). Therefore, individuals exposed first to TMT-D performed relatively better in the second trial, whereas individuals exposed first to TMT-B first produced equivalent scores when presented the more difficult form (TMT-D) on the second trial. Thus, although TMT-D is not an equivalent form to TMT-B, it may serve as an excellent alternate form at retest.</.001)>
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ISSN:1380-3395
1744-411X
DOI:10.1076/jcen.20.1.107.1487