Podcast
Questions and Answers
What were the results of the experiment on detecting orientation oddballs with set-size 12?
What were the results of the experiment on detecting orientation oddballs with set-size 12?
- The reaction time remained the same regardless of the number of distractor items.
- The reaction time decreased with the number of distractor items. (correct)
- The reaction time increased with the number of distractor items.
- The reaction time varied depending on the visibility of the distractor items.
What did Braun and Sagi find when testing arrays of items for discriminating between the letters L and T?
What did Braun and Sagi find when testing arrays of items for discriminating between the letters L and T?
- Performance was not affected by the presence of distractor items. (correct)
- Performance varied depending on the contrast of the items.
- Performance was better for longer Gabor duration.
- Performance was impaired in highly practiced subjects.
What effect did extensive practice have on the observable attentional effects in the L/T discrimination task?
What effect did extensive practice have on the observable attentional effects in the L/T discrimination task?
- Extensive practice had no effect on the attentional effects.
- Extensive practice increased the attentional effects.
- Extensive practice eliminated the attentional effects completely.
- Extensive practice reduced the attentional effects but did not eliminate them. (correct)
What do the results of the experiments suggest about visual feature search tasks?
What do the results of the experiments suggest about visual feature search tasks?
What does the present study argue against?
What does the present study argue against?
The reaction time for detecting orientation oddballs increases with the number of distractor items.
The reaction time for detecting orientation oddballs increases with the number of distractor items.
The perception of an orientation difference within a two-dimensional array of items requires attentional resources.
The perception of an orientation difference within a two-dimensional array of items requires attentional resources.
Extensive practice can eliminate the observable attentional effects in visual feature search tasks.
Extensive practice can eliminate the observable attentional effects in visual feature search tasks.
The results of Mack et al.'s study suggest that unexpected and irrelevant objects in the visual field are always noticed.
The results of Mack et al.'s study suggest that unexpected and irrelevant objects in the visual field are always noticed.
The present study challenges the idea that preattentive processing can lead directly to perceptual report.
The present study challenges the idea that preattentive processing can lead directly to perceptual report.
