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PMI-ACP · Question #396

What kind of User Story is written to provide an opportunity to research a solution in order to provide an estimate?

The correct answer is C. Spike Story. A Spike Story (also called simply a 'spike') is a special type of user story or task used when the team lacks the knowledge to estimate a story confidently. It time-boxes investigation, research, or prototyping work so the team can gather enough information to produce a…

Submitted by krish.m· Apr 18, 2026Adaptive Planning

Question

What kind of User Story is written to provide an opportunity to research a solution in order to provide an estimate?

Options

  • ASprint Story
  • BPersona Story
  • CSpike Story
  • DNeedle Story

How the community answered

(22 responses)
  • A
    5% (1)
  • B
    5% (1)
  • C
    91% (20)

Explanation

A Spike Story (also called simply a 'spike') is a special type of user story or task used when the team lacks the knowledge to estimate a story confidently. It time-boxes investigation, research, or prototyping work so the team can gather enough information to produce a reliable estimate or reduce technical risk. The spike itself is estimated and placed in a sprint; the outcome is knowledge, not a deliverable feature. Sprint Story and Needle Story are not standard Agile terms; Persona Story refers to stories written from a user persona's perspective.

Topics

#Spike Story#User Story#Research#Estimation

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