when we are attentive to another object or task, failing to perceive an unexpected object, even when it appears right in front of us.
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Participants?
228, all undergraduate students. volunteers received candy or single fee for participating in larger unrelated experiements.
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How were the participants recruited in the study?
Via self-selected sampling.
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outline the main materials used
4 videotypes (75 seconds duration)- showed 2 teams of 3 players (1 team=white shirts/ 1 team=black shirts). Orange basketball.
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What were the 2 unexpected events?
After 44-48 seconds of the players dribbling and passing the ball, one of two expect events occured= umbrella women or Gorilla conditions.
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What were the 2 styles of video?
Transparent condition (3 videos filmed then superimposed by digital video-editing software. + Opaque condition-seven actors filmed simultaneously .
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What were the 4 main conditions?
all p's gave informed consent. White, easy condition, White, hard condition , black, hard condition , black, easy condition.
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What happened after the p's viewed the video tape?
write down their counts + answer questions+ asked whether they noticed any thing+ p's debriefed.
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How many p's data was discarded + why?
36 p's -reported losing count of passes+already knew the phenomenon & experimental paradigm, their answer not clearly interpreted.
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List 4 key results?
1) 192 p's=54% noticed unexpected even & 46% failed. 2) p's noticed the unexpected event more in opaque condition than transparent. 3) 33%-opaque condition failed to report event 4)more p's noticed event in easy condition (64%) than hard (45%)
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List 2 conclusions?
1) inattention blindness occurs more frequent in superimposition as opposed to live action. 2)degree of inattention blindness depends on difficulty of task and is more likely when task is harder.
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Conclusion?
3)p's more likely to notice unexpected events if these events are visually similar to the events they are paying attention to.
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Conclusion?
4) Objects can pass through spatial area of attentional focus and still not be 'seen' if they are not specifically being attended to.
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conclusion?
5) There is no perception without attention.
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Other cards in this set
Card 2
Front
Participants?
Back
228, all undergraduate students. volunteers received candy or single fee for participating in larger unrelated experiements.
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