Shorten the effective delay with interim deadlines

Move the felt deadline closer so the motivation-boosting pressure arrives earlier.

Why it works

Delay sits in the denominator: the farther away the deadline, the lower the motivation. This is temporal discounting — humans systematically undervalue future rewards and costs. The procrastination equation predicts that motivation for a distant task will be low regardless of how important it is. Artificial interim deadlines shorten the effective delay, raising motivation by moving the reference point closer in time.

How to do it

1. Break the project into explicit milestones, each with a self-imposed (or shared) deadline.
2. Make the interim deadline real by attaching it to someone else’s calendar or a commitment device.
3. Set the first milestone within 48 hours so the task begins immediately.
4. Do not allow interim deadlines to slip without immediately setting a new one.

Evidence

Ariely and Wertenbroch (2002) showed that self-imposed intermediate deadlines improved task completion, though less effectively than externally imposed ones. The temporal discounting mechanism is well supported across behavioral economics. (observational)

Self-imposed deadlines are systematically less effective than external ones because the cost of missing them is lower. Effectiveness depends on attaching real consequences to interim milestones.

Sources

• Ariely & Wertenbroch (2002), procrastination, deadlines, and performance, Psychological Science
• Steel (2007), delay in procrastination equation, Psychological Bulletin

Common mistake

Setting interim deadlines with no consequence for missing them, which are immediately revealed as optional and promptly ignored.