“?What stood out was that in a subset of caregivers using the device almost through the entire meal, how negative their interactions could become with the kids,? she says. While the study did not code or quantify the reactions, Radesky says that there were ?a lot of instances where there was very little interaction, harsh interaction or negative interaction? between the adults and the children. ?That?s simply unfair to the children,? says Dr. Wendy Sue Swanson of Seattle Children?s Hospital and author of the Seattle Mama Doc blog.”