Observational learning theory's foremost proponent is question 18 options:

Observational learning theory's foremost proponent is Bandura

Explanation:

The theory of observational learning was mainly formulated by Albert Bandura, it is revisited exclusively, as a conceptual basis of the learning method of the formation of conversational skills, defining that the development and functioning of the person result from the reciprocal triadic relationship between the internal stimuli, the external stimuli, and behavior.

Observational learning is thus governed by four interdependent processes: attention, memorization, behavior, and motivation, with exposure, learning, and the use of universally available patterns of thought and behavior leading observers to transcend limits of its circumscribed environment, acquiring development and making choices and paths concrete.

the suction machine and tubing is the equipment that should be left behind and should be most easily accessible.