Implicit Association Test, Explained Simply

Introduction

How can we detect when our decisions are influenced by bias? How can we reveal the unconscious mind? These are questions that researchers often ask themselves.

While there’s no single formula, we can identify patterns, and that’s where the Implicit Association Test (IAT) becomes essential.

At Survayzer we believe that providing ready-to-use research methods not only makes it easier to create questionnaires in a more efficient way, but also makes them more attractive to respondents. IATs, in particular, are not only easy to answer, but also generate that playful and easy feeling, which makes them more attractive.

This type of question is available in our Expert licence, along with other methodologies such as Max Diff or A/B Tests.

What Is Implicit Association?

But before diving into tests, we need to understand what implicit associations are.

As the name suggests, implicit associations are automatic connections that influence our daily lives. They’re often subtle, driven by our unconscious, and they shape our thoughts, behaviours and choices.

Have you ever wondered why you prefer certain brands, colors, or shapes? Your cultural background and experiences influence how you perceive things and make decisions. You might think you’re choosing consciously, but your context plays a big role in your unconscious decision-making.

Throughout life, we absorb information from our environment and store it. Later, when you face a decision, there it is: your unconscious making associations, and without even noticing, you’ve already decided.

How Does the Implicit Association Test (IAT) Work?

The Implicit Association Test was developed by researchers at Harvard to measure the strength of associations between concepts (e.g., Black/White, Male/Female) and evaluations (e.g., Good/Bad) or stereotypes (e.g., Smart/Slow).

This research method aims to reveal people’s unconscious associations and, in turn, their implicit biases. Here’s how it works:

You’re shown an image or word and must quickly classify it under two categories. For example:

• The first test shows the word “Man”, and you must associate it with either “Engineer” or “Nurse”.

• The second shows “Woman”, with the same two choices.

Depending on how quickly and consistently people match the words, the test reveals their implicit associations. For instance, if someone quickly pairs “Man” with “Engineer” and “Woman” with “Nurse”, it may indicate gender-based professional stereotypes.

The faster the reaction, the stronger the unconscious association. That’s why speed matters just as much as the choices made.

In short, this is the purpose of an Implicit Association Test

• To measures natural associations

• IAT is a reaction time-based test and measures associations between concepts

• This involves categorising terms or images where participants quickly assigns words/images

• Recognise unconscious preferences and reduce social desirability effects

• Compare reactions of patterns. Faster assignment = stronger association

• Show an association Score

Example of an Implicit Association Test

When it comes to ways of doing an IAT, there are a variety of different ways of doing it. But, the more interactive and playful, the more efficient and more engagement you will get from your users.

Let’s take a look for example to the format we have at Survalyzer.

Here a person is asked, what characteristics they associate with the following brands?

By ‘Swiping’ with the cards, they should indicate how accurate each term is with the brand.

However, remember that this test is not just about categorising terms or images, but that reaction time also plays a key role. For this reason, it is essential to take into account the previous explanation of how this test should be carried out.

Why do we emphasise this? Because it is key that the reaction can be realised at the moment the user makes the association. This way we can measure with more certainty what the reaction time was. Remember, the choice is as important as the reaction time.

If the user swipes with the mouse, instead of using the keys, it can lead to more measurement errors and the cards may move from one side to the other, or the click reaction may not be as immediate as it is with the keyboard.

Once the answers are submitted, we can get reports like these, which give us a more accurate look at how the brand is perceived.

The report shows us the association score: the higher the value, the stronger the association.

If you would like to take a look at all the question-types available at Survalyzer, you can explore them here.

Learn more about each different question type in the following article: The best survey question types: how to get meaningful results

When Should You Use the Implicit Association Test?

The IAT is valuable when you want to go beyond what people say consciously. It can be applied in a variety of contexts where understanding unconscious bias makes a real difference:

Academic or Social Research

One of the most common applications. The IAT is used to study racial, gender, sexual orientation, age, or religious biases. It helps expose how stereotypes operate across populations and how they shift over time or within cultural contexts.

Human Resources and Recruitment

Some organizations include IATs in exploratory stages of the hiring process to detect biases in evaluators or candidates. While not a replacement for other methods, it promotes fairer, more inclusive recruitment.

Marketing and Brand Analysis

It uncovers what unconscious associations consumers make with brands, colors, logos, or product categories. This helps companies align their image with desired values or address negative perceptions.

Personal Development and Coaching

Individually, it can highlight unconscious biases that may influence decision-making, behavior, or relationships. It’s especially useful in self-awareness, conscious leadership, and diversity training.

Clinical Psychology and Cognitive Therapy

Some professionals use the IAT to assess automatic negative associations related to self-esteem, eating disorders, or trauma.

Tips for Creating an Effective Implicit Association Test

Designing an IAT takes more than just technical tools, it requires thoughtful planning to ensure cultural relevance, clarity, and valid results. Here are key tips:

1. Clearly Define the Test Objective

Decide whether you want to explore a specific bias (e.g., gender, race, age, brand) or assess general attitudes toward a topic. This decision guides the stimulus design and format.

2. Choose Categories Strategically

Pick emotionally or culturally meaningful categories. The more polarized the contrast, the more effective the test. Avoid vague or overly abstract pairs.

3. Use Clear Visual or Verbal Stimuli

Whether you use words, photos, icons, or sounds, make sure your stimuli are easily recognizable and free of double meanings. This reduces error and improves response accuracy.

4. Use Accessible, User-Friendly Platforms

Platforms like Survalyzer offer interactive, gamified IATs that integrate response time with branching logic and visuals for a smooth experience.

5. Conduct a Pilot Test First

Run a trial with a small group. Check for clarity, timing, and consistent results. Adjust before launching it at scale.

6. Address Ethics and Communication

Let participants know that the results reflect automatic associations, not conscious beliefs. Avoid framing the test as a personal judgment.

What Are the Benefits of the IAT?

• Identifies unconscious bias that other techniques often miss

• Easy to implement online

• Validated in many scientific studies

• Scalable for large sample sizes

Conclusion

The Implicit Association Test is not just a powerful tool for understanding human behavior. It also helps us reflect on our own beliefs and prejudices.