4) If Chip Conley wants to determine the best way to set motivational goals for his employees, he may want to use goal-setting theory or management by objectives. As they pertain to encouraging motivation, what is the primary difference between goal-setting theory and management by objectives? a Management by objectives holds that goals can be general or vague, while goal-setting theory holds that goals should be specific and clear. b Goal-setting theory holds that goals can be general or vague, while management by objectives holds that goals should be specific and clear. c Goal-setting theory holds that employees should always be involved in setting goals, while management by objectives demonstrates that it's just as effective when managers assign goals. d Management by objectives holds that employees should always be involved in setting goals, while goal-setting theory demonstrates that it's just as effect