Which of the following may not help in improving predictability?

Estimating in hours instead of pointsmay not help in improving predictabilitybecause time-based estimates can often be inaccurate and can vary widely based on individual productivity and context. Using story points allows teams to focus on relative size and complexity, making it easier to compare work items and plan iterations more predictably.

Options B (reducing technical debt), C (reducing feedback cycles), D (respecting WIP limits), and E (adopting a test-first approach) all contribute to improving predictability by promoting consistent, high-quality delivery.

References:

PMI’s Disciplined Agile Senior Scrum Master (DASSM) curriculum materials.

"Choose Your WoW! A Disciplined Agile Delivery Handbook for Optimizing Your Way of Working (WoW)", PMI.