simon and chabris Flashcards
cognitive area
what does inattentional blindness mean
the failure to see an event of object that is in your field of vision because you’re focused on other elements
background of simon and chabris
neisser- video based dynamic research to measure an unexpected event such as a woman with an umbrella whilst participants were trying to count the amount of basketball passes
aims of simon and chabris
- to investigate if inattentional blindness would be more likely if an unexpected event was similar to the attended events
-to investigate if participants would have trouble identifying an event if the task given were emerge difficult
-to investigate the effect of a transparent video compared to an opaque video
4 independent variables
-whether they counted white or black t shirt passes
-whether the unexpected event was a woman with an umbrella or a gorilla
-whether the task was easy (count the total number of passes) or hard (keep two separate tallies on the type of passes made)
-whether the video was transparent or if the video was opaque
sample
228 undergraduate students, volunteer sampling, who were offered a candy bar for taking part
procedure
participants were shown a video lasting 75 seconds long, and they were asked to watch a video within the 4 conditions.
results
n.b 36 participants were taken out of the recording of this data because they understood the concept of inattentional blindness
46% of inattentional blindness
transparency lead to a higher level of inattentional blindness
-67% of people in opaque video vs 42% in transparent video noticed the unexpected event
-when difficulty increased, the harder it was to see the unexpected event
- the women with the umbrella was seen more than the woman in the gorilla costume