16. In management, McGregor's Theory Y includes all of the following assumptions EXCEPT employees are willing to take on responsibility employees can be self-directed employees enjoy meaningful work most employees are not very creative e. employees enjoy from their work a. b. C. d. b. 17. According to Douglas McGregor, Theory X and Theory Y are two equally valid theories of employee motivation two theories about how managers can improve their productivity two theories that no longer hold any validity two theories of employee motivation based on two different sets of assumptions two theories of hygiene factors related with working conditions C. d