Ukadiriaji ni mgumu kwa sababu programu ni puno ya mambo yasiyojulikana. Lengo si usahihi wa uongo, bali upeo halisi, unaozungumzwa kwa amini, unaomsaidia mtu wa biashara kupanga. Viongozi wazuri wa timu huweka vikadiriaji vya upeo, hutoa hatari zinazoonekana, na kufanya mbalimbali upya kadri wanavyojifunza.
Jinsi ya kukadir kwa ubora
✓ Break work down — small tasks estimate far better than big ones
✓ Estimate as a RANGE or confidence ("2-4 weeks, 70% confident")
✓ Include the invisible work — testing, review, deployment, unknowns
✓ Use history — what did similar work actually take?
✓ Involve the people doing the work — not just you
✓ Separate ESTIMATE from COMMITMENT (deadlines are negotiated, not guessed)
