- "Free Software for Measuring Single Switch Use Performance. ” B. Romich, K. Hill, B. Liffick. 2006 ATIA Conference and Vendor Fair. Orlando, FL. January 18-21, 2006. Accepted.
- "Single Switch Performance Software. ” B. Romich, K. Hill, B. Liffick. RESNA 2005 Conference. Atlanta, GA. June 23-27, 200
- “Closing the Gap: Adaptive Technology for the Disabled from an HCI Perspective.” B. Liffick. Haverford College. Haverford, PA. November 5, 2004.
- “Assistive Technology as an HCI Subject.” B. Liffick. PACISE Spring Conference. Shippensburg University. Shippensburg, PA. April 4-5, 2003.
- “Assistive Technology and the Disabled: Present and Future.” B. Liffick. School of Science and Mathematics Science Lectureship Series. Millersville University. February 20, 2003.
- “Assistive Technology.” B. Liffick. Gilbert Hall Student Organization. Millersville University. February 19, 2003.