The fans love the new scoreboard at the ballpark.Every time a batter hits a home run,flashing lights on the scoreboard make it look as though an imaginary ball is leaving the field.Which term best explains this illusion?

Question

Quizplus · Accepted Answer

The phi phenomenon refers to the illusion of movement that occurs when two or more stationary stimuli are presented in quick succession. In this case, the flashing lights on the scoreboard create the perception of a ball leaving the field, even though nothing is physically moving. Therefore, the best term to explain this illusion is the phi phenomenon.

The Fans Love the New Scoreboard at the Ballpark