interobserver

adjective

in·​ter·​ob·​serv·​er ˌin-tər-əb-ˈzər-vər 

variants or less commonly inter-observer

: occurring between or involving two or more observers

The degree of agreement between two or more independent observers in the clinical setting constitutes interobserver reliability and is widely recognized as an important requirement for any behavioral observation procedure …

—Richard A. Marafiote

Word History

First Known Use

1940, in the meaning defined above

Medical Definition

interobserver

adjective

in·​ter·​ob·​ser·​ver ˌint-ər-əb-ˈzər-vər 

: occurring between individuals performing the same and especially a visual task

interobserver variability in the interpretation of coronary angiograms

—Frank Vieras et al.