Usability Testing of a Reusable Pulse Oximeter Probe Developed for Health-Care Workers Caring for Children < 5 Years Old in Low-Resource Settings

This study presents the summative usability testing process of our human-centered design (HCD) approach. The objective was to evaluate the usability of the probe by end-users and experts across a range of settings and children against an aspirational target product profile (TPP) goal of 95% of readings achieved within 1 minute.

Authors: Nicholas Boyd, Carina King, Isabeau A. Walker, Beatiwel Zadutsa, Mike Bernstein, Salahuddin Ahmed, Arunangshu Roy, Abu A.M. Hanif, Subal C. Saha, Kingshuk Majumder, Bejoy Nambiar, Tim Colbourn, Charles Makwenda, Abdullah H. Baqui, Iain Wilson, and Eric D. McCollum