We examined the relationship between the Big Five personality traits and metacognitions about smartphone use by conducting a latent profile analysis. Participants were 470 college students from a university in China, who completed the second version of the Big Five Personality Inventory
as well as the Metacognitions about Smartphone Use Questionnaire. Results showed that the Big Five personality traits could be divided into four latent classes: overcontrolled, contradiction, doubt, and resilience. The classes showed different relationships with positive and negative metacognitions
about smartphone use, with individuals in the overcontrolled and contradiction classes exhibiting more apparent negative metacognitions. The results support the importance of paying attention to the effects of neuroticism.
Recently, internet gaming addiction and suicide have been global public health issues among adolescents. This study used convenience sampling and surveyed 1906 Chinese adolescents to investigate the relationship between internet gaming addiction and suicidal ideation and the role of negative emotion and hope in the relationship between the two. The results showed that the detection rate of internet gaming addiction among adolescents was 17.16% and the detection rate of suicidal ideation was 16.37%. Moreover, there was a significant positive correlation between internet gaming addiction and suicidal ideation. Negative emotion partially mediated the relationship between internet gaming addiction and suicidal ideation. In addition, hope moderated the relationship between negative emotion and suicidal ideation. The effect of negative emotion on suicidal ideation decreased as hope increased. These findings suggest that the role of emotion and hope in coping with adolescent internet gaming addiction and suicidal ideation should be emphasized.
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