Test Bank 14. 11. What is the underlying assumption of the culture management model that is used to determine the effectiveness of HRM? a. HR professionals are employed 20 to 30 percent of the time to ensure compliance with laws and legislation. b. Highly committed employees will make personal sacrifices for the job and will not leave the organization for personal gain. c. Organizational effectiveness is directly correlated to the size of the human resources budget. d. HR practices can have a positive influence on employee attitudes, which in turn influence employee performance