A Variety of Methods Are Used by Educators and Leaders

A variety of methods are used by educators and leaders in a field to disseminate up-to-date knowledge to others. Several of these techniques are listed below. Match the technique to its definition.
-Expert consensus

A) The polling of experts in a field as a means of making decisions, or disseminating knowledge
B) An agreed-upon set of principles established after a review of contemporary knowledge by specialists working in a field