... audience, once tuned to a channel,has to involuntarily accept whatever is broadcast, to a greater extentthan a medium like a bookstore, where the audience can choose what to look at, what to buy, and ... Journal of the American Medical Association, 285(23), 3011-3014.National Public Radio & The Henry J. Kaiser Family Foundation. (2000). National survey ofAmerican adults on technology and national ... because the study is not suitably designed to confirm a causal relationship.) On the other hand, one of the cautionary findings is that despite itsability to decrease exposure, the software...