nathan was so upset. >> sabrina morey: students don't have a way to communicate with me.ay to tell me how they're feeling, what they want, what they need, what's happened to them before they've come to school. >> stahl: it's frustrating for you. what about for them? >> morey: it can be very frustrating. >> ian stuart: oh, look, the ipad's here. >> stahl: for the past year, morey and her fellow teachers ian stuart and stacie carroll have been involved in the first study to find out just how effective the ipad is with their students. has the ipad made any difference, stacie? >> stacie carroll: the ipad has made a huge difference. there's something... >> stahl: huge? >> carroll: ...about using the ipad that draws the students in. they're engaged with it in a way that we don't see with other toys or puzzles or teaching tools. >> stahl: the study has found that it improves the children's willingness to socialize, something autistic kids have trouble with, and it enhances their attention spans. >> carroll: can you look at the numbers, jennifer? >> stahl: in this video recorded