Drivers detect traffic signals more slowly if they are also talking on a cell phone. This best illustrates the impact of

Question

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Selective attention refers to the ability to focus on one stimulus while ignoring others. The fact that drivers detect traffic signals more slowly while talking on a cell phone suggests that their attention is divided between the conversation and the task of driving, resulting in slower reaction times to important visual stimuli.

Drivers Detect Traffic Signals More Slowly If They Are Also