Sleep Techs Needed for Sleep Stage Classification Study

You’re invited to take part in a study on inter-rater disagreement and adjudication in sleep stage classification. You will be provided access to a web-based interface to enable you to annotate polysomnograms for sleep stages. The goal of this study is to improve our understanding of the causes, effects, and perception of expert disagreement and adjudication processes in sleep staging.

This study is part of an ongoing research project, led by Dr. Edith Law and Mike Schaekermann at the University of Waterloo in Waterloo, Ontario (see If you decide to participate, you will be interacting with a web-based labeling and adjudication interface. During the sessions, information about your interaction with the interface will be recorded.

The study consists of two parts. The first part of the study will take around 1.5 hours in which you will label a given subset of the dataset. The second part of the study is a field study running over 3 weeks in which you will be asked to log into their web platform once per week and follow the instructions provided by the system, which will take an average of 1.5 hours per week. The system will either ask you to label a given subset of the dataset or to adjudicate ambiguous cases from previous labeling sessions with other participants. They are seeking participants who are certified sleep technologists or students being trained as sleep technologists.

Participants will be paid $297 (CDN) for participation in the study (via e-transfer or cheque). If you decide to cease participation before the study is completed, remuneration will be paid at a pro-rated basis ($49.50(CDN)/hour) based on the estimated average duration of each session. Even though the funds are paid in Canadian dollars this research study is available to U.S. sleep technologists.

The study has been reviewed and received ethics clearance through a University of Waterloo Research Ethics Committee. However, the final decision about participation is yours.

If you are interested in participating, please complete and submit the form or contact me Graeme Beaton, Research Assistant, Cheriton School of Computer Science, University of Waterloo, You can also contact the Student Investigator on the project, Mike Schaekermann, at

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