Roger is at a party talking and laughing with a group of friends. He sets his plastic soda cup down and seconds later picks up the glass mug that someone put in its place. He fails to notice that the drink was replaced. This is an example of
A) the cocktail party effect.
B) attentional blink.
C) change blindness.
D) inattentional blindness.

Question

Quizplus · Accepted Answer

This scenario is an example of change blindness, which occurs when a person fails to notice a visual change in the environment because their attention is directed elsewhere. Roger didn't notice his soda cup was replaced with a glass mug because he was focused on his conversation.

Roger Is at a Party Talking and Laughing with a Group