• Media type: E-Article
  • Title: Impact and Costs of Incentives to Reduce Attrition in Online Trials: Two Randomized Controlled Trials
  • Contributor: Khadjesari, Zarnie; Murray, Elizabeth; Kalaitzaki, Eleftheria; White, Ian R; McCambridge, Jim; Thompson, Simon G; Wallace, Paul; Godfrey, Christine
  • Published: JMIR Publications Inc., 2011
  • Published in: Journal of Medical Internet Research
  • Extent: e26
  • Language: English
  • DOI: 10.2196/jmir.1523
  • ISSN: 1438-8871
  • Keywords: Health Informatics
  • Footnote:
  • Access State: Open Access