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Weekly Meeting

Weekly Meeting. YiChia Wang 2011/02/22. Mturk. 10 Acor messages Correlation with expert annotation = 0.87 50 Acor messages + 50 Bambina messages Correlation with expert annotation Emotional correlation = 0.70 Acor = 0.93 Bambina = 0.43 Informational correlation = 0.76

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Weekly Meeting

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  1. Weekly Meeting YiChia Wang 2011/02/22

  2. Mturk • 10 Acor messages • Correlation with expert annotation = 0.87 • 50 Acor messages + 50 Bambina messages • Correlation with expert annotation • Emotional correlation = 0.70 • Acor = 0.93 • Bambina = 0.43 • Informational correlation = 0.76 • Acor = 0.78 • Bambina = 0.76 • Intra-class correlation (average measurement) • Emotional correlation = 0.94 • Acor = 0.96 • Bambina = 0.91 • Informational correlation = 0.93 • Acor = 0.91 • Bambina = 0.95

  3. Breast Cancer Data - Descriptive Statistics • Thread • 68,158 threads • 1,562,459 posts • 22.92 posts / per thread • User • 90,242 users • 54,580 users never logged in after registration • 0.77 threads / per user • 24.29 posts / per user

  4. Number of Threads by Posted Year

  5. Number of Threads by Number of Posts • Min: 1 • Max: 20,008 • Mean: 22.92 • Median: 6 • 99% of threads have less than 150 posts

  6. Number of Threads by Response Time • 11% of threads (7,785 threads) never got response • Min: <1 (day) • Max: 916 (day) • Mean: 2.10 (day) • Median: 1 (day) • 99% of threads got response in 21 days

  7. Number of Threads by Lifespan • Min: <1 (day) • Max: 2769 (day) • Mean: 32.97 (day) • Median: 3 (day)

  8. Number of Threads versus Number of Reply Posts by Thread Starter • 55% of thread starters would post again in the same thread • Min: 1 • Max: 1,969 • Mean: 4.23 • Median: 2

  9. Number of Users by Registered Year

  10. Number of Users by Number of Posts • 51% of users (46,269 users) never posted • Min: 1 • Max: 21,703 • Mean: 53.49 • Median: 3

  11. Number of Users by Number of Thread Starters • 80% of users (72,587 users) never started a thread • Min: 1 • Max: 1,551 • Mean: 3.94 • Median: 1

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