Which statement about the sociotechnical systems theory is true?

Multiple Choice

It was the first major approach to emphasize informal work relationships and worker satisfaction.

It emphasized a structured, formal network of relationships among specialized positions in an organization.

Most organizations did not adopt the sociotechnical systems theory for management problems until the year $2000.$

It was developed in the early $1950$ s by researchers from the London$-$based Tavistock Institute of Human Relations.

It emphasized the perspective of senior managers within an organization.