Browsing School of Public Health by Author "De Man, J"

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    • Exposure of children to unhealthy food and beverage advertisements in South Africa 

      Yamoah, D.A; De Man, J; Onagbiye, S.O (MPDI, 2021)
      Television (TV) is a powerful medium for marketing food and beverages. Food and beverage marketers tend to use this medium to target children with the hope that children will in turn influence their families’ food choices. ...

    • The pandemic of online research in times of COVID-19 

      Tabana, H; Campbell, L; De Man, J (BMJ Publishing Group, 2021)
      The COVID-19 pandemic has led to an explosion of online research using rating scales. While this approach can be useful, two of the major challenges affecting the quality of this type of research include selection bias and ...