This is a brief, anonymous research questionnaire consisting of two self-tests and a poll. The purpose is to examine the relationship between introversion and highly sensitive physiology. For those that are interested, a video introduction to highly sensitive physiology is provided at the end of the process.

Your participation is appreciated and helps to improve our understanding of these topics. Time to complete the questions is approximately ten minutes. You have the option to be notified of any insights provided by this study.

Please take the self tests and then answer the research poll.