Expra

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by Julia Stahl1 view·Updated Feb 1, 2021
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  1. have you ever wondered if we all perceive time in
  2. the same way?
  3. In our experiment, we examine how people judge the timing
  4. off events.
  5. First of all, I would like you to pay attention
  6. to the position off the rotating clock hand.
  7. Where was it when the Green circle appeared?
  8. The aim of the experiment was to find out what
  9. method and speed off the clock and would produce the
  10. best precision justice you saw in the video before.
  11. Participants are rotating clock hand on the screen and had
  12. to judge at what time a green circle appeared for
  13. the independent arrivals.
  14. We used six different rotating speeds and two different methods
  15. in the reporter location method.
  16. Participants had to report the exact location off the clock
  17. and while focusing on the center off the clock in
  18. the before after method, participants had to focus on the
  19. 12 o'clock position and then just report whether the clock
  20. and was before, at or after 12 o'clock.
  21. At the time, the green circle occurred as a dependent
  22. arrival. We took the difference between the reported an actual
  23. time. We used the within participant design with eight participants
  24. who randomly went through all of the six speeds, with
  25. 50 trials at each speed.
  26. The hypothesis was that the reporter time would be before
  27. the actual time, leading to negative values.
  28. Here you can see the standard deviation in milliseconds.
  29. For both of the methods.
  30. You'll probably fast noticed that the variances for the before
  31. after method on the bottom are generally lower than the
  32. ones for the reporting location method on the top.
  33. Looking at the unova results, we can see that this
  34. main effect off method is significant with a P value
  35. below 0.1 We're looking at the different speeds.
  36. We can see that speeds 123 The faster ones have
  37. lower variety asses than speed 4 to 6, the slower
  38. once. The main effect of speed in the unova is
  39. also significant.
  40. In summary, we found that the before, after method produces
  41. more precise results.
  42. Beats 123 The best results in precision, but a speed
  43. one and two seemed to be very close to chance
  44. of performance.
  45. We suggest that the optimal speed speed 3, 1667 milliseconds
  46. for future research on perception off time, we would recommend
  47. using this method and speed to get the most precise
  48. results. Thank you for your attention