Psychometric Validation of the In-Hand Manipulation Assessment

Karen P.Y. Liu (Corresponding Author), Angela Chapman, Tess L.Y. Tsoi, Peter Thach, Nandana Welage, Nikki Tulliani

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

Objective: To determine the inter-rater reliability, and criterion and discriminant validity of the In-Hand Manipulation Assessment (IHMA) with patients after stroke. Design: Participants were videotaped, completing the IHMA and scored by 2 blinded assessors to determine the inter-rater reliability. Stroke participants also completed the Jebsen-Taylor Hand Function Test, and healthy participants completed the Nine-Hole Peg Test to determine the validity of the IHMA. Setting: Community and hospital settings. Participants: A total of 46 participants with 22 healthy young adults, 14 healthy older adults and 10 people with stroke. Interventions: Not applicable. Main Outcome Measures: Not applicable. Results: The inter-rater reliability of the IHMA was good (for all participants: intraclass correlation coefficient = 0.78-0.98, P≤.001; for stroke participants: Kappa statistics = 0.70-1.00, P≤.001). The IHMA demonstrated good discriminant validity between the healthy young adults and healthy older adults for time and completion scores (Ps=.012 and ≤.001). The criterion validity of the IHMA was moderate to good when compared with the Nine-Hole Peg Test (r = −0.45 to 0.84), but no significant correlation was found with the Jebsen-Taylor Hand Function Test. Modifications to the IHMA tasks and instructions were made based on the performance of participants to improve its clinical utility with people after stroke. Conclusions: The IHMA demonstrated good inter-rater reliability, good discriminant validity, and moderate-to-good criterion validity with the Nine-Hole Peg Test. The proposed modifications to the IHMA will enhance its administration.

Original languageEnglish
JournalArchives of Physical Medicine and Rehabilitation
DOIs
Publication statusAccepted/In press - 28 Nov 2024

Keywords

  • Activities of daily living
  • hand
  • psychometrics
  • rehabilitation

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

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