 Combining techniques of momentary sampling and video capture, this method is more sensitive to the variety of media used, more responsive to media multitasking, and more accurate in its capture of both media content and usage time.CMCH researchers have developed the Video Intervention/Prevention Assessment (VIA) method, a research method which allows children and teen patients the opportunity to create video diaries about living with an illness.These videos can be used to teach physicians more about the realities of various conditions.