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Reliability and validity of the Turkish version of the movement imagery questionnaire-3: Its cultural adaptation and psychometric properties


1 Department of Physical Therapy and Rehabilitation, Acibadem Mehmet Ali Aydinlar University; Department of Neuroscience, Istanbul Medipol University, Institute of Health Sciences, Istanbul, Turkey
2 Department of Physical Therapy and Rehabilitation, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey
3 Department of Physical Therapy and Rehabilitation, Hasan Kalyoncu University, Gaziantep, Turkey

Correspondence Address:
Burcu Dilek,
Department of Physical Therapy and Rehabilitation, Acibadem Mehmet Ali Aydinlar University, Istanbul
Turkey
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/NSN.NSN_30_20

Objective: Motor imagery (MI) is the mental representation of a movement without any body movement, and it has been recently used as a therapeutic intervention in rehabilitation. The Movement Imagery Questionnaire-3 (MIQ-3) is the most recent, modified version of the MIQ-revised, second edition, which is commonly used to measure the imagery ability of patients with movement dysfunction. The purpose of the study was to translate the MIQ-3 into Turkish and evaluate its test and retest reliability and validity for the Turkish-speaking population. Methods: Among 185 healthy participants, 181 completed the procedures. The questionnaire was applied to 86 participants with 1-week interval to evaluate internal consistency and test–retest reliability. The construct validity of the MIQ-3 was tested by confirmatory factor analysis (CFA). Results: The internal consistency of the Turkish MIQ-3 was satisfactory (Cronbach's alpha was 0.87 for test and 0.86 for retest reliability). The internal consistency of subscales for test–retest reliability (internal visual items, external visual items, and kinesthetic items) was 0.73–0.68, 0.74–0.72, and 0.79–0.73, respectively. Test–retest reliabilities of each item ranged from 0.84 to 0.95. In terms of criterion validity, there was an excellent correlation between subscales and total scale correlations, which ranged from 0.50 to 0.90 (P < 0.001). The validity of the MIQ-3 was examined with CFA, and the results supported a three-factor model of movement imagery ability. Conclusion: The Turkish MIQ-3 has an excellent reliability and good-to-excellent validity in evaluating MI ability.


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