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35th AM (2025) - Poster Session
Development and Preliminary Validation of a Brief ...
Development and Preliminary Validation of a Brief Screening Tool for Smartphone and SMSUD-11
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Pdf Summary
This pilot study aimed to develop and preliminarily validate a brief screening tool (SMSUD-11) based on DSM-5-TR criteria to assess problematic smartphone and social media use. Conducted via an anonymous online survey with 78 respondents (mean age 24.12 years), the scale demonstrated strong internal consistency (Cronbach’s α=0.824), with no item deletion improving reliability. Severity of use disorder was classified as none, mild (2-3 symptoms), moderate (4-5), or severe (6+), revealing a right-skewed distribution: 61.5% severe, 19.2% moderate, 12.8% mild, and 6.4% none. Instagram (56.4%) and YouTube (21.8%) were the most frequently cited apps, with addictive short-form content and dopamine-driven cravings noted as key drivers. Participants commonly endorsed mitigation strategies such as deleting apps, setting time limits, and exercising.<br /><br />The study highlights a high prevalence of severe smartphone/social media use disorder, illustrating the urgent need for effective screening in clinical and academic settings. The DSM-5-TR framework proved feasible for digital behavioral assessment. Looking ahead, further validation is needed to correlate SMSUD-11 scores with measures of depression (PHQ-9), anxiety (GAD-7), sleep quality, and productivity to understand comorbidities and functional impacts.<br /><br />Background context underscores the global scale of internet and smartphone usage (over 5 billion users worldwide) and the rising public health concern regarding behavioral addictions linked to these technologies. Prior research connects excessive use with poor sleep, increased anxiety, and decreased academic or occupational performance. Despite this, brief validated tools for early detection have been lacking, a gap this study begins to address.<br /><br />Overall, the SMSUD-11 shows promise as a reliable, efficient tool to identify problematic digital use severity and inform targeted interventions in youth and young adults.
Keywords
SMSUD-11
problematic smartphone use
social media use disorder
DSM-5-TR criteria
screening tool validation
internal consistency
addictive short-form content
digital behavioral assessment
comorbidities depression anxiety
behavioral addiction public health
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