Ag meas cé chomh fada a thógfaidh obair fhliarála ní ach scil choitianta, dhúshlánach, agus thábhachtach. Is cáilitheach go bhíonn meastacháin deacair (is gnách do fhorbróirí iad a fholuain), ach bíonn fábhar ann sa bhonneolas agus sa chur i láthair a dhéanamh go maith toisc go bhaineann sé do phleanáil agus do iontaoibh.
Cén fáth a bhíonn meastachán deacair
Development estimation is notoriously inaccurate:
→ UNKNOWNS → unexpected complexity, bugs, dependencies, edge cases emerge
→ OPTIMISM BIAS → developers tend to UNDERESTIMATE (imagine the happy path, forget
testing, integration, reviews, meetings, the unexpected)
→ complexity is hard to assess upfront; requirements change
→ estimates are predictions under uncertainty, not promises.
