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A new instrument for the assessment of laterality: evidence from confirmatory analysis.

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Title: A new instrument for the assessment of laterality: evidence from confirmatory analysis.
Authors: Duradoni, Mirko (AUTHOR), Frosini, Andrea (AUTHOR), Gronchi, Giorgio (AUTHOR), Peru, Andrea (AUTHOR)
Source: Neurological Sciences. Aug2025, Vol. 46 Issue 8, p3593-3600. 8p.
Subjects: Confirmatory factor analysis, Test validity, Lateral dominance, Handedness, Measuring instruments
Abstract: Despite its importance, the assessment of laterality in scientific and clinical contexts remains inconsistent. Many studies rely on self-reports or outdated questionnaires (in terms of daily-related actions), often neglecting lateralization of the lower limbs, eyes, and ears without considering the four effectors at the same time. To address these limitations, we developed the Florence Laterality Inventory (FLI), a 16-item scale designed to provide a comprehensive assessment of hand, foot/leg, eye, and ear preference through more contemporary and relevant questions. Our study, conducted with 225 participants, confirmed a four-factor structure through confirmatory factor analysis (CFA), demonstrating good reliability for the hand, eye, and ear subscales and, to a lesser extent, also for foot/leg. Correlations with established measures of laterality and handedness supported the concurrent validity of the scale. The FLI scale offers an updated multidimensional instrument to measure lateralization, addressing the shortcomings of previous questionnaires and adapting to modern contexts. [ABSTRACT FROM AUTHOR]
Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: A new instrument for the assessment of laterality: evidence from confirmatory analysis.
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  Data: <searchLink fieldCode="AR" term="%22Duradoni%2C+Mirko%22">Duradoni, Mirko</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Frosini%2C+Andrea%22">Frosini, Andrea</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gronchi%2C+Giorgio%22">Gronchi, Giorgio</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peru%2C+Andrea%22">Peru, Andrea</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Neurological+Sciences%22">Neurological Sciences</searchLink>. Aug2025, Vol. 46 Issue 8, p3593-3600. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Confirmatory+factor+analysis%22">Confirmatory factor analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Test+validity%22">Test validity</searchLink><br /><searchLink fieldCode="DE" term="%22Lateral+dominance%22">Lateral dominance</searchLink><br /><searchLink fieldCode="DE" term="%22Handedness%22">Handedness</searchLink><br /><searchLink fieldCode="DE" term="%22Measuring+instruments%22">Measuring instruments</searchLink>
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  Label: Abstract
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  Data: Despite its importance, the assessment of laterality in scientific and clinical contexts remains inconsistent. Many studies rely on self-reports or outdated questionnaires (in terms of daily-related actions), often neglecting lateralization of the lower limbs, eyes, and ears without considering the four effectors at the same time. To address these limitations, we developed the Florence Laterality Inventory (FLI), a 16-item scale designed to provide a comprehensive assessment of hand, foot/leg, eye, and ear preference through more contemporary and relevant questions. Our study, conducted with 225 participants, confirmed a four-factor structure through confirmatory factor analysis (CFA), demonstrating good reliability for the hand, eye, and ear subscales and, to a lesser extent, also for foot/leg. Correlations with established measures of laterality and handedness supported the concurrent validity of the scale. The FLI scale offers an updated multidimensional instrument to measure lateralization, addressing the shortcomings of previous questionnaires and adapting to modern contexts. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Aug2025
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