Final answer:
The presentation that Heidi attended at the human resource conference was about managing for diversity. This involves creating an inclusive work environment that values and respects the unique perspectives and backgrounds of all employees.
Step-by-step explanation:
The presentation that Heidi attended at the human resource conference was about managing for diversity. This means finding ways to maximize the contributions of employees of different genders, races, ethnicities, and age groups. Managing for diversity involves creating an inclusive work environment that values and respects the unique perspectives and backgrounds of all employees, and leveraging their diverse skills and experiences to drive innovation and success.