Participate in Research

Thank you for your interest in participating in research related to toilet anxiety. Below is a list of studies currently being run by Dr. Simon Knowles and colleagues. Please click the link below the study title to participate:


PARTICIPANTS WANTED: Restroom anxiety and toilet choice

Help us by taking part in the most comprehensive investigation into restroom anxiety and toilet choice to date.

Information and link to the study is here: 


PARTICIPANTS WANTED: We are keen to learn more about psychological processes associated with gastrointestinal symptoms.

Please help us by completing our online questionnaire (and go into a draw to win 1 of 4 $100AUS vouchers):

More studies to be available for participants in 2019. Thanks for being involved.


Disclaimer: This website and its content is not intended or recommended as a substitute for medical advice, diagnosis or treatment. Always seek advice of your own physician or other qualified health care professional regarding any medical questions or conditions.

© Copyright Dr Simon Knowles 2018