Researcher: Overhearing only one side of a cell-phone conversation diverts listeners' attention from whatever they are doing. ███████ ████ ████ ██ █ ████████████ ██████ █████████ ██████████ ██████ ██ █████ ████ ███ ███████ ██████ ███ ████ █████ ██████████ █████████ ██ ████ ████████ ███████ ██████████ ███████ █████ ██████████ ███████
The researcher says that hearing only one person in a conversation makes listeners constantly try to guess what the unheard person is saying. This makes it distracting to overhear one side of a cell-phone conversation. Cell-phone conversations are also distracting because people talking on a cell-phone are abnormally loud.
The researcher's statements, if true, ████ ████████ ███████ █████ ███ ██ ███ ██████████
The risk that █ ██████ ████ █████ ██ ████████ ██ █████████ ████ ███ ██████ ██ ███████ ██ █ ████ ██████
When a driver █████ █ █████████ ██ ███ ████████ ███████ ███████ ██ █ ████ ██████ ████ ████████ ████ ███ ████████ ████████████
Overhearing one side ██ █ ████████████ ██ █ ███████████ █████████ ████ ███ ██████ ██████████ █████████ ████ █████ ██ █████
People who overhear ███ ████ ██ █ ██████████ ████████████ ██████████ ████ █████ ██ █████ █████████
Conversing on a ████ █████ ████████ ██████ ████ ███████ █████ ████ █████ ██████████████ ███████ █████ ████ █████ █████ ██ ████████████ ███