Although exposure is crucial to improve the public health impact of Internet-delivered interventions, it appears that in practice exposure to such interventions is low. Therefore, a conceptual framework, which incorporates elements of user experience of websites, is applied to Internet-delivered health behaviour change interventions aimed at adolescents and results from previous explorative research are incorporated. This framework, described from the point of view of an intervention's development team, can be used in practice to optimize user experience and therewith improving exposure rates to Internet-delivered interventions and increasing the number of revisiting users.

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Health Promotion International
Erasmus MC: University Medical Center Rotterdam

Crutzen, R., de Nooijer, J., Brouwer, W., Oenema, A., Brug, H., & de Vries, N. (2009). A conceptual framework for understanding and improving adolescents' exposure to Internet-delivered interventions. Health Promotion International (Vol. 24, pp. 277–284). doi:10.1093/heapro/dap018