Research

Examples of Survivor Bias.

Mitigating the Effects in Your Personal and Professional Life

Rachel Beyer
InsightInk

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An AI generated photo of a man who made it to the top of a ladder that is against a tall wall while people cheer. Below him is another man on a shorter ladder. He also made it to the top and has one leg, but no one can see him because his ladder is shorter.
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Have you ever wondered why some winners (or successful bloggers) seem to have the advantage in the race for just about anything? It could be survivor bias at play.

This common cognitive bias affects decision-making and analysis in ways we often overlook, yet it can have significant implications. It is important to be aware of this bias to avoid incorrect conclusions and base our decisions on accurate information. Making assumptions without considering all the facts can give us a wrong impression of a situation and have a negative effect on our choices.

But what exactly is survivorship bias? Imagine you’re researching survival rates but only looking at those who made it through. You’re missing an important perspective- the people who failed or didn’t make it to the selection process and survival rates.

Examples of Survivor Bias

Survivor bias occurs when we focus solely on people or objects that have succeeded or survived a particular process while ignoring those that did not. This can happen in various contexts, such as when referring to history, evaluating research strategies, or studying the success stories of highly influential people.

Believing a successful person had it easy can even impact how credible you deem them based on subconscious assumptions. Maintaining credibility in a world where it is increasingly difficult to grasp requires nuanced thought patterns and behaviors.

(Check out my article “The Perception of Credibility”: And What it Means for Victims of Marginalization and Abuse” to read more on the impact of credibility).

For example, suppose we only study the lives of famous billionaires in a research study to understand how to become wealthy. In that case, we may overlook the countless failures and struggles faced by other entrepreneurs who attempted similar paths to get rich.

Survivorship bias distorts our understanding of reality by ignoring the non-survivors in our analysis. We end up with an incomplete picture that overestimates the chances of success and underestimates risks involved (leaving many of us wonder how we aren’t yet millions of dollars richer). This distortion can lead to poor decision-making and misguided strategies.

Recognizing and accounting for survivorship bias is essential for conducting reliable research and making informed decisions based on study data (for example, to be a billionaire, you need to allocate sufficient funds and have a certain level of unattainable privilege to ensure accurate results). By acknowledging that hidden factors may be at play beyond what initially meets the eye, we can avoid falling into traps of false optimism or false beliefs.

AI generated paint style photo of a man standing inside of a birdcage on the top of a mountain looking over the landscape. The purpose of this photo is to demonstrate stuckness.
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Avoiding Survivor Bias in Journalism and Research

When conducting research or reporting on a topic, collecting data from both successful and unsuccessful cases is crucial to gather information. Focusing solely on the successes can lead to survivorship bias in research, where only a portion of the picture is presented. It is important to consider all the perspectives involved in the process. By including unsuccessful research cases, we gain a deeper understanding of the topic and data points.

To mitigate survivorship bias, researchers and journalists should practice random sampling techniques. This helps ensure that the research sample represents the larger population being studied. Random sampling reduces the risk of confirmation bias or inadvertently excluding certain groups, providing a more accurate portrayal of reality in reports.

Watch out for biases when collecting data — they can lead to misleading results!

Journalists and researchers need to be aware of potential biases in their data collection methods. Biases can arise anywhere, from publication bias to selective reporting, where positive results are more likely to be published than negative ones. Being aware of these biases allows us to take steps to minimize their impact on our findings.

To avoid survivorship bias, seeking out diverse data sources is important rather than relying solely on one or two outlets. By consulting multiple publications, journals, research groups, or experts in the field, we obtain a broader range of perspectives reducing the risk of relying on incomplete or biased information.

Instead of fixating solely on readily available information, journalists and researchers should strive to make sense of all available data. This includes exploring incomplete or missing data points that may not align with master narratives (the most widespread narratives that are socially and culturally ingrained). By actively seeking answers for gaps and inconsistencies, we can uncover valuable insights that might go unnoticed.

(Check out my article “Telling More Authentic Stories: By connecting with your audience” to read more about confirmation bias).

By following these tips and approaches when conducting research or reporting on a topic, we can actively mitigate survivorship bias and provide a more accurate and comprehensive understanding of the events and topics we report on.

Impact of Survivorship Bias on Objectivity

Survivorship bias can significantly impact objectivity, distorting our perception of reality and leading to unrealistic expectations. Survivorship bias can mislead decision-making processes by focusing only on success stories and neglecting the failures.

We tend to hear about the entrepreneurs who became millionaires or the athletes who won championships, but what about those who failed? This bias creates an incomplete picture, making it seem like high-end success is more common than it is.

We develop unrealistic expectations for ourselves and others when exposed primarily to success stories (your typical algorithm these days). We may believe that achieving success is easy or that failure is rare. This can lead to disappointment when we encounter obstacles or setbacks (which then acts as a catalyst for giving up).

Thinking more objectively creates an environment in your mind to begin thinking analytically to avoid making poor-decisions. For example, considering the viewpoints about success from someone who has an entirely different notion of it can impact the trajectory of the decisions you make to reach your goals.

AI generated photo of a woman with glasses looking down at her notebook with a pen in hand. The purpose of this photo is to demonstrate focus and research.
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Careers of Highly Successful Individuals and Survivorship Bias

Success stories of highly accomplished individuals often seem to result from sheer talent or exceptional skill. We attribute their achievements solely to their abilities, overlooking the external factors that played a significant role in their success.

When we hear about rich people, we tend to overlook the external factors that influenced their journey. Factors such as luck, timing, or support systems can significantly impact one’s chances of success but are often overshadowed by survivorship bias.

For example, many successful entrepreneurs dropped out of college, leading some to believe that formal education is unnecessary for success. However, this ignores the countless college dropouts who did not achieve similar outcomes. Popular ideas and trends that impact the paths we take can result from widespread ideas about financial freedom.

Misleading Decision-Making

Survivor bias misleads our decision-making processes. If we base our decisions solely on the successful outcomes we see around us, we may overlook important factors or fail to consider potential risks. It’s crucial to remember that many factors are at play in any situation, including luck, timing, and external circumstances.

To combat survivorship bias and make more informed decisions, seeking a diverse range of perspectives and experiences is a must. We gain a more balanced understanding of reality by actively seeking out success stories and failures. Conducting thorough research and analyzing data objectively can help us avoid falling to survivorship bias.

Valuable Lessons from Failure

Failure stories provide important insights and lessons often ignored due to survivorship bias. By examining failures alongside successes, we gain a more comprehensive understanding of what contributes to positive outcomes.

Understanding why certain ventures failed can help us avoid making similar mistakes and increase our chances of success.

Significance of Understanding Survivor Bias

Survivorship bias is an important concept for various fields, including research, and journalism. It is especially important to understand personally and professionally to make the best decisions.

In research, survivorship bias can distort results if only successful cases are considered while ignoring failures. By accounting for all outcomes, not just the positive ones, researchers can draw more valid conclusions. Similarly, understanding survivorship bias in journalism prevents misleading narratives by presenting a balanced view of events. It ensures that stories reflect the complete picture rather than focusing solely on exceptional success stories.

Lastly, in decision-making processes, acknowledging survivor bias encourages us to consider both successes and failures when evaluating options. It reminds us to analyze past experiences comprehensively to make informed choices instead of relying on apparent success stories. By comprehending and acknowledging survivorship bias, we can avoid making flawed decisions based on incomplete information, ensuring better outcomes all around.

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