Experiential Learning

In the vanguard of the latest trends in US education, these folks may have planted the seed for experiential learning.  What area of study covers this field work?  Chemistry?  Psychology?  Haberdashery?  Criminal Justice?  Medicine?  Anthropology?  Mental Health? All of the foregoing?

This photo supplied by Albert Boyers.  He did not admit to being one of the subjects in the photo, but at the very least he is guilty by association.

Compadres, salud!