(English) People Polling

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Désolé, cet article est seulement disponible en Russian, Español, Português et English.

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6 Responses to "(English) People Polling"
  • Joe Krebs %A %e %B %Y at %H:%M

    Thanks for making this recipe available and sharing. I have used this tasty cupcake in the past, especially polling my weight. You are right, students were ususally flattering ;-)

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  • Peter Borsella %A %e %B %Y at %H:%M

    I decided to give this exercise a try during a large group presentation. There were 14 tables of 5 – 7 people each. I had a handout for their reference, and late in the presentation I asked them to first take a minute to come up with an estimate of the number of words on the handout and write down that number. Then, as a variant of the exercise, I asked them to take a minute to work with their table-mates and come up with a consensus number. I then collected the team consensus numbers rather than the individual numbers. Here were the results:
    The average across all tables: 737
    The actual number of words: 635
    Not bad! They were quite impressed that the average was only about 100 words away from the actual, and they were able to come up with this in just two minutes!
    I then gave a prize to the individual with the closest number.
    Great exercise, and thanks!

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  • Mick Maguire %A %e %B %Y at %H:%M

    First attempt for me didn’t work so well. I put 375 dots on a small whiteboard then showed it to my audience. Estimates ranged from 150 – 400 dots with an average of 252. The average fell only just within the top 50th percentile of averages from the group and was not clearly more reliable than asking an individual. As you say “there is always a chance that the results could be off”, and it did lead to a good discussion about the exercise itself.

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  • [...] People Polling by Don McGreal, an estimating exercise used widely in training and [...]

  • Ellen Grove %A %e %B %Y at %H:%M

    I’ve done this activity a couple of times asking the group to estimate the number of pages in a book. In one instance, the average of the group estimate (over 13 people) turned out to be exactly the number of pages in the book, which was impressive almost to the point of undermining the activity because of the perceived improbability of this happening. Lots of fun!

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  • Kathleen Ashelford %A %e %B %Y at %H:%M

    I did two variations of this exercise with a group of 10 participants, estimating 1) the number of steps it took for one of our team to cross the room; 2) the number of pebbles in a jar.

    Amazingly, no one had seen this exercise before, and a few were skeptical of the premise. Each time, the average estimate of the group was within 10% of the correct number. However, in each case, one person actually guessed the exact number – but only one. It does illustrate that it’s better to go with group wisdom than trust your luck that one person will get it exactly right.

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