Which statement would Elton Mayo have most likely made soon after concluding his Hawthorne studies?

a. Employees at Superior Technologies are not lazy, but they normally lack direction and respond best to an autocratic style of management.
b. The key to increasing productivity at Superior Technologies is to provide employees with the best possible physical working conditions.
c. When Superior Technologies' employees are put into an isolated group, their natural tendency is to compete against each other and establish a "pecking order."
d. At Superior Technologies, employees who enjoy their work environment and believe they are respected are likely to be more productive employees.