What happens when you repeatedly estimate task durations and compare to actuals?

• A. It has no effect
• B. Your estimation accuracy improves over time
• C. You become less efficient
• D. It reduces motivation

Answer: (B)

Feedback-based calibration of your time estimates is what happens here. When you estimate how long a task will take and then compare it to the actual duration, you create a continuous learning loop. Each mismatch shows you where your judgment tends to be optimistic or cautious, so you revise future estimates accordingly. Over time you build better mental models of how long similar tasks actually require, taking into account factors like interruptions, fatigue, or task-switching. You often start using a range or adding a small buffer instead of a single fixed time, which makes your plans more reliable. As a result, your estimation accuracy improves, leading to more realistic schedules and fewer overcommits. For example, after a few cycles you’ll better anticipate how long a study session or a reading task genuinely takes and adjust your plan accordingly.