occurs when attention diverted to another object or task and observers often fail to perceive an unexpected object.
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Design
independent measures
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Video IV 1
Gorilla/Umbrella woman
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Video IV 2
Transparent/opaque
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Task IV 1
Black/white team (to be monitored)
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Task IV2
Easy/hard task (total number of passes vs number aerial and number of bounce passes)
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Sample
192 students
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How many participants were removed?
36
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How long were videos? (S)
75
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At what point did gorilla/umbrella woman appear?
44-48 seconds
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Overall result
54% noticed the unexpected event and 46% didn't
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Opaque/Transparent result
67% of participants noticed the unexpected event with a solid image compared to only 42% in the see through condition
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Easy/Hard task result
Counting number of passes 64% vs counting aerial & bounce passes 45%.
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Gorilla vs Umbrella woman result
Umbrella woman was seen more often
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White team/black team result
Gorilla spotted more when looking at the white team passes than black. No real difference for umbrella woman
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Conclusion
We can conclude that individuals do have inattentional blindness for dynamic events. They will often fail to notice a seemingly obvious, but unexpected event if they are engaged in another monitoring task.
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Flashcard (75)