// Book comparison
Decisive vs Influence
Which should you read? A side-by-side comparison of Decisive by Chip Heath, Dan Heath and Influence by Robert Cialdini.
Decisive
by Chip Heath, Dan Heath
★ 4.9/5
Influence
by Robert Cialdini
★ 4.9/5
At a glance
| Decisive | Influence | |
|---|---|---|
| Rating | ★ 4.9/5 | ★ 4.9/5 |
| Pages | 336 | 320 |
| Reading time | ~8.4 h | ~8.0 h |
| Published | 2013 | 1984 |
| Author | Chip Heath, Dan Heath | Robert Cialdini |
| Category | Business Psychology | Personal Effectiveness |
| Publisher | — | William Morrow |
Choose Decisive if…
- → You're interested in business psychology.
- → You want the higher-rated book (4.9/5).
- → You want the more recent perspective (2013).
Choose Influence if…
- → You're interested in personal effectiveness.
- → You prefer a shorter read (~8.0 hours).
Key takeaways — Decisive
- ✓ Always generate at least three options — when leadership teams catch themselves debating only "yes or no," they have already lost the most important part of the decision.
- ✓ Run premortems before major commitments: imagine the decision has failed in two years and work backward to identify what would have caused it.
- ✓ Set tripwires in advance — predefined signals that trigger a forced re-evaluation, protecting you from the slow drift of sunk-cost thinking.
Key takeaways — Influence
- ✓ Apply the Reciprocity Principle by providing value to your stakeholders first, creating a psychological obligation that significantly increases your future persuasive power.
- ✓ Leverage Social Proof by highlighting the endorsements of your existing customers and industry leaders to reduce perceived risk for new strategic partners.
- ✓ Utilize Commitment and Consistency by asking for small, initial agreements that lead your stakeholders to stay aligned with your larger organizational goals over time.
The verdict
If you want the higher-rated, more acclaimed read, start with Decisive. If you specifically need personal effectiveness, Influence is the better fit. Both summaries are free — no signup required.
❓ FAQ
Is Decisive or Influence better? +
Decisive has the higher reader rating (4.9/5 vs 4.9/5), but "better" depends on your goal. Decisive focuses on business psychology, while Influence focuses on personal effectiveness. See the verdict below.
Which is shorter, Decisive or Influence? +
Influence is shorter (320 pages, ~8.0 hours) compared to Decisive (336 pages, ~8.4 hours).
Should I read Decisive or Influence first? +
If you want the quicker, higher-rated read, start with Decisive. Otherwise read whichever matches your current goal — both summaries are free on BookHubs.