A good answer to this question will speak specifically about what you are going to accomplish and how you are going to accomplish it. Examples of good responses include:

☷ I plan on gaining additional skills by taking related classes and continuing my involvement with a variety of professional associations.

☷ I noticed that XYZ company (the company you are interviewing with) provides in-house training for employees and I would certainly be interested in taking classes that would be relevant.

☷ I will continue my professional development my participating in conferences, attending seminars, and continuing my education.