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    Comparison of Reaction Time, Manual Dexterity, and Working Memory Levels of Adolescent Video Game Players and Non-Players
    (Marmara Univ, Inst Health Sciences, 2022) Irmak, Aylin Yalcin; Celikkalp, Ulfiye; Aydin, Gulsun Ozdemir; Yigit, Sihmehmet
    Objective: This study aims to examine differences between adolescent video game players and non-players in terms of their reaction time, manual dexterity, and working memory levels. Methods: The sample of the study, which has a comparative cross-sectional design type, consists of 432 adolescents at the grades between 9 and 12. Non-video game players, and video game players were subjected to simple visual and auditory reaction time tests, manual dexterity tests, matrix, and digit span working memory test. Results: Compared to non-video game players, video game players were found to have shorter visual and auditory reaction times. Also, several motor dexterity subtest skills of video game players were found to be lower, while working memory did not differ between the two groups. Conclusion: Our findings support the idea that playing video games seem to improve some aspects of cognitive and motor skills but reduce several other aspects.
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    Development and Validation of the Gaming Disorder Scale-Family Form
    (Slack Inc, 2021) Irmak, Aylin Yalcin; Celikkalp, Ulfiye; Aydin, Gulsun Ozdemir; Metinoglu, Meryem
    The aim of the current methodological study was to develop a psychometric measurement tool for determining internet gaming disorder (IGD) based on family members' responses. The sample comprised 173 adolescents and their families. For reliability, the scale was created using item-total correlation, internal consistency coefficient, and test-retest correlation methods. The validity of the scale was evaluated using content validity index (CVI), construct validity, explanatory factor analysis (EFA), and confirmatory factor analysis (CFA). CVI for the scale was 0.92, Cronbach's alpha coefficient was 0.963, and item-total correlation ranged between 0.67 and 0.81. In the EFA, 61.7% of the total variance on the onedimensional scale was explained and item factor loads ranged between 0.71 and 0.84. CFA showed good fit of the model. Thus, the Gaming Disorder Scale-Family Form, which was proven to be a valid and reliable measurement tool, is recommended for use by health care providers and community partners in the evaluation of potential IGD in adolescents.
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    Musculoskeletal disorders and the affecting factors among teachers: An example from Turkey
    (Ios Press, 2022) Celikkalp, Ulfiye; Irmak, Aylin Yalcin; Aydin, Gulsun Ozdemir; Metinoglu, Meryem
    BACKGROUND: Musculoskeletal disorders are important health problems due to their high incidence as well as their effects on the society and individuals. OBJECTIVE: The aim of this study was to determine the musculoskeletal disorders experienced by teachers, and to evaluate their relationship with certain factors causing musculoskeletal disorders. METHODS: The cross-sectional study was carried out on 416 teachers working in a provincial center using the face-to-face interview method. RESULTS: Per this 64.9% of the teachers had musculoskeletal disorders, and the pain was mostly localized in the neck region with 55.5%. The work stress scores of the teachers were found to have a positive and significant correlation with musculoskeletal disorder scores and a negative significant correlation with the satisfaction with life scores (p= 0.001). In multiple regression analysis, the time spent sitting at a desk, time spent working in a standing position, time devoted to housework, shoe preference, work stress and life satisfaction were determined as effective predictors on musculoskeletal complaints. The model that was developed explained 22.5% of the variance (R-2 = 22.5; p= 0.001). CONCLUSIONS: Due to the prevalence of musculoskeletal disorders among teachers, health-promoting actions are needed in order to raise the awareness of both administrators and teachers in improving working conditions as well as preventing musculoskeletal disorders.