Project Management

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Do you prefer to estimate in real time or ideal time?

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Sante Delle-Vergini, PhD Senior Project Manager| Infosys Melbourne, Victoria, Australia
Some do one or the other, or both depending on the situation. But which do you prefer?
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Drake Settsu Project Manager / Blogger Hi, United States
I prefer real time estimates. It allows me to allocate the necessary resources to hit the target date. The ideal time is not the ideal time for a PM most of the time. You need to pin the SME's against the wall to give you the real time estimate. The ideal time estimate is an estimate with no accountability.
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Kiron Bondale Retired | Mentor| Retired Welland, Ontario, Canada
Sante -

If working with traditional estimates, I always prefer effort. Otherwise, I prefer relative sizing and then map back to hours or dollars at an aggregated level.

Kiron
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Kevin Drake Perth, Western Australia, Australia
I use bottom to top method to calculate activities and durations.
I consider usually some buffer, risk , delays in each tier of the calculation.
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1 reply by Riyadh Salih
May 02, 2018 3:26 AM
Riyadh Salih
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Kevin, I agree with you on bottom up will be more accurate more details but time consuming and costly so top down will give general guide line for budget
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Dinah Young Project Manager / Software Asset Manager| Prince William County Springfield, Va, United States
Real time with the appropriate buffers
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Rami Kaibni
Community Champion
Senior Projects Manager | Field & Marten Associates New Westminster, British Columbia, Canada
I’d rather have estimates in Real Time.
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Anish Abraham Privacy Program Manager| University of Washington Auburn, Wa, United States
I would go for real time estimates. Also, validate estimates using the results of lessons learned that were documented on prior projects.
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Kate Lynska Technical Writer| Cimon.io Kyiv, Ukraine
I'd prefer real time as well. However, in our team we use "clean" and "dirty" hours simultaneously, which are a little different approach.
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Eric Simms Senior Program Manager Baltimore, Maryland, United States
I make realistic estimates based on the conditions that affect the task (such as knowing it will take 3 weeks for the external division to do their task, though the task could be completed in just 1 week).
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Eduard Hernandez
Community Champion
Product Operations Program Manager Barcelona, Cataluña, Spain
Real time estimates.

In addition,using timewriting enables to build a database that shows the discrepancy between estimates vs actuals, which may be used for subsequent projects that have homologous activities.
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Vincent Guerard Coach - Trainer - Speaker - Advisor| Freelance Mont-Royal, Quebec, Canada
I worked with Real-time, work will be performed by real resources!
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