biostudies-literatureCisneros ENational Institute of Neurological Disorders and StrokeNational Center for Advancing Translational SciencesNCATS NIH HHSNINDS NIH HHS117205https://www.ebi.ac.uk/biostudies/studies/S-EPMC7728456biostudies-literatureUnknown419<h4>Objectives</h4>To investigate hypothesized sources of error when quantifying the effect of the sensory trick in cervical dystonia (CD) with the Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS-2), test strategies to mitigate them, and provide guidance for future research on the sensory trick.<h4>Methods</h4>Previous analyses suggested the sensory trick (or "alleviating maneuver", AM) item be removed from the TWSTRS-2 because of its poor clinimetric properties. We hypothesized three sources of clinimetric weakness for rating the AM: 1) whether patients were given sufficient time to demonstrate their AM; 2) whether patients' CD was sufficiently severe for detecting AM efficacy; and 3) whether raters were inadvertently rating the item in reverse of scale instructions. We tested Journal of the neurological sciencesIt's tricky: Rating alleviating maneuvers in cervical dystonia.PMC7728456U54 NS065701U54 NS116025U54 TR001456Fox SHJankovic JChen QCisneros EAdler CHSevert LLStover NPComella CLBarbano RLPeterson DAFactor SAStebbins GTZhang ZPerlmutter JSVu JPBenadof CNGoetz CGReich SGBerman BDJinnah HARodriguez RfalseIt's tricky: Rating alleviating maneuvers in cervical dystonia.<h4>Objectives</h4>To investigate hypothesized sources of error when quantifying the effect of the sensory trick in cervical dystonia (CD) with the Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS-2), test strategies to mitigate them, and provide guidance for future research on the sensory trick.<h4>Methods</h4>Previous analyses suggested the sensory trick (or "alleviating maneuver", AM) item be removed from the TWSTRS-2 because of its poor clinimetric properties. We hypothesized three sources of clinimetric weakness for rating the AM: 1) whether patients were given sufficient time to demonstrate their AM; 2) whether patients' CD was sufficiently severe for detecting AM efficacy; and 3) whether raters were inadvertently rating the item in reverse of scale instructions. We tested 2020-01-01T00:00:00Z2020 Dec2025-04-04T13:11:29.653Z2022-02-11T14:31:33.355ZS-EPMC77284563316024810.1016/j.jns.2020.117205