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Social expectancy significantly increases emotional arousal in problematic smartphone use. This suggests social factors are crucial for understanding and addressing excessive smartphone engagement.

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Area of Science:

  • Psychology
  • Human-Computer Interaction
  • Neuroscience

Background:

  • Rising global mobile phone use coincides with increased concern over problematic smartphone use.
  • Social reward is a proposed driver of problematic smartphone use.
  • Limited experimental data exists on social variables influencing problematic smartphone use.

Purpose of the Study:

  • To investigate the impact of social expectancy on emotional arousal.
  • To measure emotional arousal using skin conductance response (SCR) during instant messaging.

Main Methods:

  • 86 undergraduate students were divided into experimental and control groups.
  • Experimental group sent social expectation-generating messages.
  • Skin conductance response (SCR) was measured during smartphone use and withdrawal after a VR distraction.

Main Results:

  • Experimental group exhibited higher SCR than the control group.
  • Peak SCR amplitude was greater in the experimental group during smartphone use and withdrawal.
  • Experimental participants showed prolonged SCR half-recovery time.

Conclusions:

  • Social expectancy is a key factor in problematic smartphone use.
  • Clinical interventions should consider social expectancy.
  • Emotional arousal is linked to social expectations in smartphone use.