You can use the PICO(T) to help develop your topic. The PICO(T) question is the process employed in Evidence Based Practice.
Below you can find resources that they can help to develop your topic:
Can motivational interviews be effective in reducing pediatric BMI?
Tucker, S. J., Ytterberg, K. L., Lenoch, L. M., Schmit, T. L., Mucha, D. I., Wooten, J. A., . . . Wahlen, K. J. M. (2013). Reducing pediatric overweight: Nurse-delivered motivational interviewing in primary care. Journal of Pediatric Nursing, 28(6), 536-547
Dr. Martin Luther King, Jr. Library
One Washington Square | San José, CA 95192-0028 | 408-808-2000