← Back to Surprising Paradoxes

The Ostrich Effect

Like ostriches supposedly burying their heads in sand, we actively AVOID information we need—especially when we fear it's bad. Investors check portfolios less during crashes. Patients skip tests. The paradox: avoiding bad news prevents the actions that could help.

📈 The Portfolio Monitoring Experiment

You have a $10,000 portfolio. Each day the market moves. Will you check your balance—or avoid looking?

Day 1 of 20
$10,000.00
Your checking history:

🔍 The Ostrich Effect Revealed

Checked on UP Days

0%
When news was good

Checked on DOWN Days

0%
When news was bad

Final Portfolio

$0
Change

Days Avoided

0
Head in sand

Your Ostrich Score

👁️ Information Seeker 🙈 Ostrich

📚 Research: Karlsson, Loewenstein & Seppi (2009)

Portfolio logins during market upturns Baseline
Portfolio logins during market downturns -50% to -80%
Monday logins (after weekend news) Lowest of week
Effect strongest for Larger portfolios

🏥 Medical Testing

People delay or avoid diagnostic tests when they fear bad results—even for treatable conditions. HIV testing dropped 40% after early detection became possible but stigma remained.

💳 Bank Account Avoidance

When finances are tight, people check balances less often. But avoiding the number doesn't stop overdraft fees—it increases them by preventing corrective action.

📊 Performance Reviews

Employees avoid reading performance feedback when they expect criticism. Yet avoiding feedback prevents the improvements that could lead to promotions.

⚖️ Weighing Yourself

Dieters weigh themselves less when they've been eating poorly. But regular weighing is one of the strongest predictors of successful weight management.

🧠 Why We Avoid Bad News

Anticipated regret: Learning bad news makes the loss "real" and forces us to confront decisions. Ignorance provides temporary emotional protection.

Illusion of control: Not knowing feels like the bad outcome might not have happened yet—as if our observation causes the reality.

Action avoidance: Information often demands action. By avoiding the information, we avoid the difficult decisions it would require.

The Science

George Loewenstein and colleagues coined "The Ostrich Effect" based on the (false) myth that ostriches bury their heads to avoid predators. In reality, ostriches are investigating nests—but humans really do bury their heads.

The paradox: Avoiding negative information feels protective but causes more harm. Investors who don't check during downturns miss rebalancing opportunities. Patients who avoid tests delay treatment. The information exists whether we look at it or not—but our ability to respond to it requires looking.

Selective exposure: We don't just avoid bad news—we actively seek confirming good news. This asymmetry in information consumption distorts our worldview and prevents adaptive responses to threats.

The ostrich's head is in the ground—but the lion is still coming.