Reliability and Validity Evaluation of the ‘’CLOX: an executive clock drawing task’’ in a Greek Population with Neurological and Autoimmune Diseases

1
Konstantinos Voumvourakis
Konstantinos Voumvourakis
2
Eleni Sideri
Eleni Sideri
3
Ioanna Tsantzali
Ioanna Tsantzali
4
Claire Kelly
Claire Kelly
5
George Papadimitropoulos
George Papadimitropoulos
6
Dimitrios Kitsos
Dimitrios Kitsos

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Early and accurate detection of cognitive decline is a crucial factor for diagnosis, early interventions, and treatment strategies. The CLOX: an executive clock drawing task has emerged as a useful and frequent method for assessing cognitive abilities, especially in executive functioning domains. However, there are few normative data available for this tool. This protocol translates and validates the CLOX: an executive drawing task in the Greek population, also it tries to examine the use of CLOX in the Greek population. The study included a total number of participants 283 (76 males-207 females) with mean ages 52,7 years, and a range of 19 to 90 years; the cohort consists of individuals with Dementia, Multiple Sclerosis, Systemic Lupus Erythematosus, and Mild Cognitive Impairment; The Internal consistency with a Cronbach’s alpha value was .798 for CLOX task 1, .785 for CLOX task 2, and .874 for the overall scale (combining both tasks).

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Not applicable for this article.

Konstantinos Voumvourakis. 2026. \u201cReliability and Validity Evaluation of the ‘’CLOX: an executive clock drawing task’’ in a Greek Population with Neurological and Autoimmune Diseases\u201d. Global Journal of Medical Research - A: Neurology & Nervous System GJMR-A Volume 23 (GJMR Volume 23 Issue A3): .

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Accurate assessment of executive clock functions in neurological research.
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Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

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August 2, 2023

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Early and accurate detection of cognitive decline is a crucial factor for diagnosis, early interventions, and treatment strategies. The CLOX: an executive clock drawing task has emerged as a useful and frequent method for assessing cognitive abilities, especially in executive functioning domains. However, there are few normative data available for this tool. This protocol translates and validates the CLOX: an executive drawing task in the Greek population, also it tries to examine the use of CLOX in the Greek population. The study included a total number of participants 283 (76 males-207 females) with mean ages 52,7 years, and a range of 19 to 90 years; the cohort consists of individuals with Dementia, Multiple Sclerosis, Systemic Lupus Erythematosus, and Mild Cognitive Impairment; The Internal consistency with a Cronbach’s alpha value was .798 for CLOX task 1, .785 for CLOX task 2, and .874 for the overall scale (combining both tasks).

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Reliability and Validity Evaluation of the ‘’CLOX: an executive clock drawing task’’ in a Greek Population with Neurological and Autoimmune Diseases

Konstantinos Voumvourakis
Konstantinos Voumvourakis
Eleni Sideri
Eleni Sideri
Ioanna Tsantzali
Ioanna Tsantzali
Claire Kelly
Claire Kelly
George Papadimitropoulos
George Papadimitropoulos
Dimitrios Kitsos
Dimitrios Kitsos

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