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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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Updated: Jun 5, 2025

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Individual Characteristics in the Comprehension of Pandemic Video Communication: Randomized Controlled

Daniel Adrian Lungu1, Jo Røislien1, Ionica Smeets2

  • 1SHARE - Centre for Resilience in Healthcare, Department of Quality and Health Technology, Faculty of Health Sciences, University of Stavanger, Stavanger, Norway.

Journal of Medical Internet Research
|December 4, 2024
PubMed
Summary
This summary is machine-generated.

Individual characteristics like age, sex, education, and income impact understanding of pandemic videos. While belief in science boosts perceived comprehension, it doesn't affect objective understanding.

Keywords:
COVID-19 pandemiccomprehendcomprehensioncoronavirus disease 2019health communicationhealth literacyperceptionpsychologyunderstandingvideovideo communicationvideos

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Area of Science:

  • Health Communication
  • Public Health

Background:

  • Video was crucial for disseminating COVID-19 pandemic information.
  • Limited research exists on how individual characteristics affect comprehension of health videos.

Purpose of the Study:

  • To evaluate the influence of six individual characteristics on pandemic video communication comprehension.
  • To differentiate between perceived and objective comprehension.

Main Methods:

  • 1194 participants viewed health communication videos and completed questionnaires.
  • Analyzed effects of age, sex, living area, education, income, and belief in science on comprehension.
  • Used multiple linear regression to analyze perceived and objective comprehension.

Main Results:

  • Older age negatively impacted comprehension. Higher education and income positively correlated with comprehension.
  • Females reported higher perceived comprehension but lower objective comprehension than males.
  • Belief in science increased perceived comprehension but not objective understanding.

Conclusions:

  • Sex and belief in science significantly influence perceived versus objective comprehension of pandemic videos.
  • Females and those with higher belief in science overestimate their understanding.
  • Education and income are key positive predictors of understanding pandemic communication.