Here's what talent development professionals were reading on the ATD website in December.

Top 20 Most-Viewed Articles in December:

1. 10 Habits That Will Dramatically Improve Your Life

2. The 5 Types of Leaders

3. How Long to Develop One Hour of Training? Updated for 2017

4. 12 Tricky Interview Questions—and How to Answer Them

5. 3 Adult Learning Theories Every E-Learning Designer Must Know

6. 19 Traits of Bad Bosses

7. How to Write the Perfect Holiday Greeting Card for Your Employees

8. Leadership Self-Assessment

9. Debunk This: People Remember 10 Percent of What They Read

10. 5 Basic Financial Skills Every Manager Should Have

1. The Importance of Intercultural Communication Training to the Global Workforce

12. Is Training and Development the Right Career for You?

13. 8 Good Work Habits That Really Matter

14. Growing Talent Development Firms: 70-20-10 Redux!

15. The Purpose of Performance Management: Redefining Aspirations

16. The Emotional Hierarchy of Learning

17. 5 Expert Tips on Becoming an Influencer and Leader

18. What Is a Competency?

19. 8 Ways Your Company Can Boost Workplace Innovation

20. 5 Challenges to Leadership Effectiveness