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Experiments 1 and 2 used a 2AFC design with a 2.2 s display duration.
Whereas evolutionary changes in display duration appear to be linked to sexual size dimorphism, measures of display complexity (number and uniformity of display components) were more tightly associated with the need to facilitate species recognition and the type of light environment in which the display is typically performed.
The relationship between the display duration and subject performance is illustrated in Figure 8.
Movie frames were displayed at 10 frames per second and the display duration of each movie was 20 s.
This suggests that, whatever the display duration, the CVS performance was always proportional to the percentage of letter detected inside the target.
However, we must be cautious while interpreting this correlation because the difference in performance between subjects and the display duration can be considered as hidden variables.
Similar(33)
Previous research on the perception of websites has shown that users' impressions of websites generated in ultra-rapid display durations (50 ms) correlate with their assessment after longer display durations.
Internal timing within Javascript captured the display durations, which was used to screen out computers with improper timing (however, no participants were excluded for this reason).
The duration of CVS items presentation was then adjusted to these three values in the main experiment and the three display durations were counterbalanced across trials.
Accordingly, for many subjects we reduced the range of uniform distribution of target display durations between task runs, to promote a 67% hit rate for the entire task.
This long delay could appear surprising, given the fact that perceptual grouping has been reported for very short display durations [32].
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