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The Comprehensive Assessment of Social Media Use: Development and Validation Study.

Nathan Job Lowry1, Rebecca R Gebert2, Zachary Rogers1

  • 1Department of Counseling and Clinical Psychology, Teachers College, Columbia University, 525 West 120th Street, New York, NY, 10027, United States, 1 212-678-3000.

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Researchers developed the Comprehensive Assessment of Social Media Use (CASM) to evaluate how young people engage online. This new tool captures both positive and negative social media behaviors, aiding mental health research and interventions.

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Area of Science:

  • Psychology
  • Digital Health
  • Adolescent Development

Background:

  • Youth daily internet use is near-universal, with widespread social media engagement.
  • Understanding social media's impact on youth mental health requires nuanced assessment tools.
  • Existing measures often fail to capture the full spectrum of online behaviors, hindering intervention development.

Purpose of the Study:

  • To develop and validate the Comprehensive Assessment of Social Media Use (CASM).
  • To create a self-report measure assessing diverse positive and negative social media engagement dimensions.
  • To provide a tool that moves beyond simple usage frequency or duration.

Main Methods:

  • Two online studies involving college-aged young adults were conducted.
  • Study 1: Item generation and exploratory factor analysis (n=260).
  • Study 2: Confirmatory factor analysis and validity testing (n=508).

Main Results:

  • A 29-item CASM scale was developed, assessing 7 dimensions of social media use.
  • The scale covers self-branding, compulsive use, disruptive use, impulsive sharing, social engagement, and emotions induced (positive/negative).
  • The CASM demonstrated good internal consistency reliability and moderate validity (discriminant, convergent, criterion).

Conclusions:

  • The CASM offers a comprehensive measure of social media behaviors for researchers.
  • It facilitates a deeper understanding of online engagement's link to mental health.
  • The scale can inform the development of targeted interventions for promoting healthy online habits.