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Learning from Planned Vs. Unplanned Content: Extending the Cognitive Mediation Model in Social Media Learning About
1School of Journalism and Communication, Shandong University.
Health Communication
|July 10, 2026
Summary
Motivations for seeking cardiovascular disease (CVD) information on social media influence exposure patterns. Active seeking and incidental exposure impact learning, with age influencing cognitive versus affective knowledge acquisition.
Area of Science:
- Health Communication
- Social Media Studies
- Cardiovascular Disease Research
Background:
- Social media platforms are increasingly significant for health information acquisition.
- Algorithmic content delivery and user-driven information seeking coexist on these platforms.
- Understanding how users engage with health information is crucial for effective health communication.
Purpose of the Study:
- To extend the cognitive mediation model (CMM) by examining motivations for cardiovascular disease (CVD) information exposure on social media.
- To investigate the relationship between self- and family-oriented motivations and different social media exposure patterns.
- To assess the association of these exposure patterns with cognitive/affective elaboration and CVD knowledge.
Main Methods:
- Survey data from 1,097 adults were analyzed.
- Structural equation modeling was employed to test the proposed relationships.
- Age-based multigroup comparisons were conducted to identify demographic differences.
Main Results:
- Both self- and family-oriented motivations correlated with increased active seeking and second-level incidental exposure, but decreased first-level incidental exposure.
- Active seeking and second-level incidental exposure were positively associated with cognitive and affective elaboration.
- First-level incidental exposure demonstrated no significant learning associations; cognitive elaboration linked to diverse CVD knowledge, while affective elaboration related to factual and subjective knowledge.
- Younger adults showed stronger affective learning, whereas older adults exhibited more cognitively oriented learning.
Conclusions:
- Social media motivations shape distinct information exposure pathways, influencing health learning outcomes.
- Active and second-level incidental exposure are key drivers of cognitive and affective elaboration for cardiovascular disease information.
- Age significantly moderates the type of health knowledge gained from social media, highlighting the need for age-tailored health communication strategies.
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