Final answer:
The term for a short time interval within a project, usually of fixed length, during which a team conducts research or prototypes an aspect of a solution to prove its viability is C) Spike.
Step-by-step explanation:
The term for a short time interval within a project, usually of fixed length, during which a team conducts research or prototypes an aspect of a solution to prove its viability is C) Spike.
A spike is a time-boxed period where the team investigates a specific aspect of the project to gain knowledge or reduce uncertainty.
It is often used in Agile software development methodologies, such as Scrum, to explore potential solutions or validate technical feasibility before committing to a larger effort.