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Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
Basic Time Estimation
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Basic Time Estimation

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This slideshow explains a simple method for estimating tasks.

This slideshow explains a simple method for estimating tasks.

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  • 1. Basic time estimation
    Joan Starr, @joan_starr
    California Digital Library
  • 2. Estimating time
    Pick two places in your town or city,
    places you know well.
    Call one place, Place A and
    the other, Place B.
  • 3. Estimating time
    How long does it take to walk from
    Place A to Place B?
  • 4. Estimating time
    How long does it take to walk from
    Place A to Place B?
    How do you know?
  • 5. Estimating time
    Does it vary by the walker’s stride?
  • 6. Estimating time
    Does it vary by the walker’s stride?
    Do the walker’s shoes affect the time?
  • 7. Estimating time
    Does it vary by the walker’s stride?
    Do the walker’s shoes affect the time?
    Does it depend on how whether
    you walk alone or
    with a faster walker?
  • 8. Estimating time
    How long would it take to walk
    20 times the distance
    between Place A and Place B?
    What if you stop for lunch?
  • 9. Estimating time
    Step 1: Split the overall effort into tasks
    the size of which you know:
    Based on your experience,
    Based on a team member’s experience,
    Based on industry norms, or
    Based upon an analogous experience or norm.
  • 10. Estimating time
    Step 2: Adjust the task time estimate upward
    if any of these conditions are met:
    The task is unfamiliar to the assigned staff member.
    The requirements for the task are insufficiently detailed.
    The technology being used to complete the task is new, and or new to your team.
  • 11. Estimating time
    Step 3: Adjust the elapsed time to allow for:
    Required training.
    Vacations, holidays or other planned leave.
    Anticipated lack of availability on the part of key players (such as usability testers and advisory groups).
    Steps in the project that require deliverables from outside the team.
  • 12. Estimating time
    Step 4: Capture actual time for comparison
    and estimating skill improvement.

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