operationist

/ˌɑpəˈreɪʃənɪst/
noun
  1. A person who supports or practices operationism.
    • Early operationists believed that unobservable concepts had no place in science.
    • The debate between the operationist and the realist lasted for hours.
    • As an operationist, she insisted that every term in the theory must have a clear measurement procedure.
What does "operationist" mean? | whatsthatwordmean | whatsthatwordmean