Investment Strategies

Confirmation Bias, Cognitive Dissonance, and Recency Bias

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by Alli Thomas

Oct 28, 2020

Recently, we discussed hindsight bias and its impact on our investment decisions. This isn’t the only behavioral pitfall that we face as investors.

We often rely on irrational thought patterns—such as confirmation bias, cognitive dissonance and recency bias—to reduce our discomfort, affirm our beliefs and access information when making investment decisions.

Unfortunately, none of these generally produce the results we want in our portfolios. The good news is that there are several ways to fight these biases.

 

Confirmation Bias

Let’s call this one “seeing what you want to see.”

This bias occurs subconsciously, when we selectively gather information that supports our claims or beliefs, while at the same time minimizing (or outright ignoring) any contradictory evidence.

A timely example of confirmation bias is how voters tend to seek out only positive information about the political candidate they support, and how they also tend to look for negative stories about their favored candidate’s opponent. By not looking at the two candidates objectively, voters may miss out on important information that could change their mind.

In our post about hindsight bias, I mentioned Daniel Kahneman, author of “Thinking, Fast and Slow” and one of the founders of the field of behavioral finance. Kahneman says that it’s our attempts to believe in something that lead to confirmation bias. In his book, he says “you must first know what the idea would mean if it were true; only then can you decide whether or not to unbelieve it.”

Kahneman also says that our initial attempt to believe starts with adopting an automatic, effortless thought process. But when we decide to unbelieve, we must put more effort into thinking about how to do so.

 

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Cognitive Dissonance

No one likes to feel uncomfortable.

Author Michael Pompian, another behavioral finance expert, says that investors often suffer from mental discomfort when they discover new information that conflicts with their pre-existing ideas and beliefs. This creates cognitive dissonance. And it partially explains why investors often suffer from confirmation bias: because we don’t like the threat of alternative information—it makes us uncomfortable!

An example of cognitive dissonance is when we make losing investment decisions and rationalize them (such as blaming our financial advisor for our poor decision). However, rationalizing never helps. Instead, it keeps us from learning how to prevent similar misjudgments in the future.

 

Recency Bias

Recency bias relates to investors’ ability to recall recent information more easily than information they’ve received or been exposed to further in the past. For example, data about financial markets may include long lists of complex material; many investors lack the ability to automatically capture important data points that date back several years. Not only that, but most investors may also not put sufficient emphasis on older data points, even if they do manage to capture them.

We can use the Tech Bubble as an example of recency bias. In early 2000, after four years of soaring technology stocks lifting the entire U.S. stock market to record-breaking heights, many investors—both professional and amateur—were convinced that, despite the experiences of past boom/bust cycles, things would be different this time and that tech stocks would continue to rise. We all remember how that turned out.

 

How to Avoid These Biases

To combat confirmation bias, we must remain mindful of the moment we begin to engage in that automatic and effortless thought pattern that Kahneman refers to that reinforces our beliefs. Only when we are aware of this can we shift our thinking by actively searching for information that presents a counterpoint to our beliefs. After we accept that there’s no such thing as a perfect investment idea, we can hold off on making a rash decision until we have assessed it with a more critical eye.

To overcome cognitive dissonance, Pompian suggests that we address our feelings of discomfort at their source and take rational action, rather than molding our beliefs or actions to accommodate those uneasy feelings.

We can fight recency bias by asking ourselves before making an investment decision if things are truly different this time. During bull markets, many investors forget how a bear market feels—and vice versa. Understanding the cyclical nature of investing can prevent investors from incorrectly basing their decisions strictly on short-term performance.

Of course, working with a third party can also help you in making rational investment decisions. An experienced financial advisor can assist in identifying your behavioral biases and come up with a plan to move past them. If you’d like to find out where your biases lie, click here to make a no-cost, no-obligation appointment with one of our advisors.

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Alli Thomas

Alli Thomas has worked in the financial services industry for nearly 20 years, with a focus on retirement-related investing. She began her career as a FINRA-licensed participant-services call-center associate at Vanguard, and then moved to Principal Financial Group, where she worked closely with employers, assisting with retirement plan set-up and design, selecting appropriate plan investment offerings, and maximizing employee participation through targeted education campaigns and enrollment meetings. Alli has also worked as a qualified 401(k) administrator and registered investment advisor for several small investment firms. She now writes about all things investment- and finance-related, leveraging her extensive experience and passion for retirement planning to help investors make well-informed financial decisions.

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