Rik Crutzen

Research interests

Publications

• Virtual and Augmented Reality Applications in Medicine: Analysis of the Scientific Literature

  Journal of Medical Internet Research · 2021 · https://doi.org/10.2196/25499

• Measuring Engagement in eHealth and mHealth Behavior Change Interventions: Viewpoint of Methodologies

  Journal of Medical Internet Research · 2018 · https://doi.org/10.2196/jmir.9397

• How can interventions increase motivation for physical activity? A systematic review and meta-analysis

  Health Psychology Review · 2018 · https://doi.org/10.1080/17437199.2018.1435299

• Teenage pregnancy rates and associations with other health risk behaviours: a three-wave cross-sectional study among South African school-going adolescents

  Reproductive Health · 2016 · https://doi.org/10.1186/s12978-016-0170-8

• A simple formula for the calculation of sample size in pilot studies

  Journal of Clinical Epidemiology · 2015 · https://doi.org/10.1016/j.jclinepi.2015.04.014

• Scale quality: alpha is an inadequate estimate and factor-analytic evidence is needed first of all

  Health Psychology Review · 2015 · https://doi.org/10.1080/17437199.2015.1124240

• Everything should be as simple as possible, but no simpler: towards a protocol for accumulating evidence regarding the active content of health behaviour change interventions

  Health Psychology Review · 2013 · https://doi.org/10.1080/17437199.2013.848409

• Online Prevention Aimed at Lifestyle Behaviors: A Systematic Review of Reviews

  Journal of Medical Internet Research · 2013 · https://doi.org/10.2196/jmir.2665

• Which Intervention Characteristics are Related to More Exposure to Internet-Delivered Healthy Lifestyle Promotion Interventions? A Systematic Review

  Journal of Medical Internet Research · 2011 · https://doi.org/10.2196/jmir.1639

• An Artificially Intelligent Chat Agent That Answers Adolescents' Questions Related to Sex, Drugs, and Alcohol: An Exploratory Study

  Journal of Adolescent Health · 2010 · https://doi.org/10.1016/j.jadohealth.2010.09.002

• Strategies to Facilitate Exposure to Internet-Delivered Health Behavior Change Interventions Aimed at Adolescents or Young Adults: A Systematic Review

  Health Education & Behavior · 2010 · https://doi.org/10.1177/1090198110372878

• Characteristics of visitors and revisitors to an Internet-delivered computer-tailored lifestyle intervention implemented for use by the general public

  Health Education Research · 2009 · https://doi.org/10.1093/her/cyp063

Current projects

No projects listed.