Abstract
Randomized consent designs have been advocated in some setting. It has been argued that the use of the randomized consent designs is justified as it eliminates the so-called Hawthorne effect in the control group. Besides the ethical issue in not informing the patients, there are other potentially serious issues regarding the confounding and resultant bias in treatment comparison. This is particularly so in behavioral intervention trials. There is not only the placebo effect, but also the so-called Hawthorn effect that could muddy the comparisons. Based on a randomized consent design with control and intervention which results in three distinct groups, this presentation will show using very simple statistical contrasts why unbiased comparison is impossible due to confounding and self-selection.
Highlights
Randomized consent designs have been advocated in some setting
It has been argued that the use of the randomized consent designs is justified as it eliminates the so-called Hawthorne effect in the control group
Based on a randomized consent design with control and intervention which results in three distinct groups, this presentation will show using very simple statistical contrasts why unbiased comparison is impossible due to confounding and self-selection
Summary
Randomized consent designs have been advocated in some setting. It has been argued that the use of the randomized consent designs is justified as it eliminates the so-called Hawthorne effect in the control group. Statistical inference in randomized consent designs in the presence of Hawthorne From 3rd International Clinical Trials Methodology Conference Glasgow, UK.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
