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engagement. The correlation between social support and healthy dependency indicates that these two concepts may be related. The need for in-game social support also increases with age. Table 1 summarizes the results of the correlational analysis

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the two smartphone user groups and their experience of accidents were evaluated using the χ 2 test and Mann–Whitney U test. Point-biserial correlation analysis was performed to determine relationships of smartphone addiction with the total number of

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differences between male and female students. Pearson’s correlation analysis was conducted to investigate the possible links between PPPE, its dimensions, and facets of impulsivity. The one-way ANOVA was carried out to find out the differences between the

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Journal of Behavioral Addictions
Authors: Ji Yoon Lee, Su Mi Park, Yeon Jin Kim, Dai Jin Kim, Sam-Wook Choi, Jun Soo Kwon, and Jung-Seok Choi

., NY, USA). p values <.05 were considered to indicate statistical significance. To determine the relationships between EEG absolute power in each band and impulsivity, we conducted Pearson’s correlation analysis between averaged absolute power by

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Journal of Behavioral Addictions
Authors: Lijuan Shi, Yuanyuan Wang, Hui Yu, Amanda Wilson, Stephanie Cook, Zhizhou Duan, Ke Peng, Zhishan Hu, Jianjun Ou, Suqian Duan, Yuan Yang, Jiayu Ge, Hongyan Wang, Li Chen, Kaihong Zhao, and Runsen Chen

.5 Note : IDG = Internet Gaming Disorder. *Different gender using different criteria. Descriptive Statistics Results from the correlation analysis showed that childhood trauma ( M

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20 33.1 (10) Total 71 28.6 (8) A correlational analysis

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using the Mann-Whitney U test ( P < 0.05). The dependent variables in each group were compared using the Friedman test and pairwise Wilcoxon comparison (while comparing three dependent groups, P < 0.017). The correlation analysis was performed using

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partial-correlation analysis, by controlling for age, BDI scores, and the duration of problem gambling. Finally, the association between serum BDNF levels and IGT performance was analyzed using the same method. All data are presented as means ± standard

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significant interaction effects. We then performed a two-way ANOVA on the brain activation for each trial type, to find a background × group interaction effect (Supplementary materials, Tables S2 and S3). Moreover, a correlation analysis was

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suggested that cortical thickness is not affected by ICV ( Buckner et al., 2004 ). To assess the brain-behavior relationships, we performed a correlation analysis for gray matter alterations (GMV and cortical thickness in the OFC and the ACC) and the self

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