Unmoderated Card Sorting

Unmoderated card sorting requires participants to organize cards into their groups without a researcher overseeing the session, usually via an online tool. This method generatesquantitativedata and is good for conducting large-scale research. The researcher can send out the card sorting activity to many participants to complete in their own time.

One downside of unmoderated card sorting is that researchers are not able to ask follow-up questions, making it difficult to understand the reasoning behind why a participant placed a certain card in a category.

Let’s test your understanding of the different types and formats of card sorting!

Pros and Cons of Card Sorting

As we know, card sorting is a very effective way of developing information architecture. But, similar to every user research technique, there are pros and cons.

Pros

• Card sorting is simple for participants to understand.
• It is easy to conduct, whether you’re using physical or digital cards.
• Moderated open card sorting allows us to receive insight into a user’s thought process by providing qualitative data.
• Closed card sorting is a fast process that allows us to gain large amounts of data easily.

Cons:

• Card sorting assumes topics on each card have equal importance.
• When conducting closed card sort, the pre-created categories might not match what participants have in mind.
• Participants may not have context about your product, which can lead to misalignment in expectations.
• For example, let’s say you are looking to buy a baseball. If you are on a large retail website such as Amazon, you may just head over to the ‘Sports’ category to make your purchase. But if you are on a larger retail website such as Dick’s Sporting Goods, you may expect a more specific category name, like ‘Baseball’.

How to Conduct a Card Sorting Session

There are many tools you can use to conduct a card sorting session. In-person sessions can be done using pen and paper, index cards, or sticky notes.

Card sorting can also be conducted virtually using online tools. We suggestMirofor this, given it’s wide array of features and ease-of-use, but some other tools includeOptimal SortandFigJam.

Open Card Sorting with Miro

Let’s get started by conducting an open card sorting session! For this exercise, imagine you are a part of a clothing company. For our website, we want to discover how we should best organize and display our products to users. You can find our card sorting template here:Card Sorting Template.

The first thing you want to do is gather your set of topics for your cards.

Ensure that the layout you’ve provided for participants correlates to what type of card sort you want to conduct. For example, if you want to conduct an open card sort, it is as simple as laying the cards and labels out and allowing your participants to group the cards as they see fit. If you want to conduct a closed card sort, ensure you have categorized sections.

Ask your participants to group the cards that are closely related.

💡 Tip: If you are conducting an open card sorting, ask your participants to think out loud! This would be something like them saying, “I placed crop-tops and t-shirts together because they are both shirts.”

Keep in mind that you should not aim for a group to have a certain amount of cards. Some cards will have more or less than others, and that is okay! It all depends on the participants.

If conducting an open card sort, ask the participants to put labels for the groups and name them! 💡 Tip: When conducting open card sorting, remind participants that it’s okay to create a category labeled “unsure”, “I don’t know”, or “other”. When conducting a closed card sort, make sure to already have this category created.

After completing a card sorting activity exercise, don’t hesitate to ask your participants more follow-up questions! For this card sorting example, some follow-up questions you should consider asking would be: “Would you be able to explain why you created an “I don’t know” section and placed “Dresses” and “Cargo” in this category? “How would you define ‘Accessories’?”

Try to take note of the participants’ answers to these questions! It will be useful in the next step of the process: analyzing the results of your card sorting session.

You’ve completed an open card sorting session! Compare yours to our example card sorting Miro board below.

Closed Card Sorting with OptimalSort

We can create closed card sorting using tools likeOptimalSort. Navigate to theCard sorting pageand follow the prompts to create a card sorting study. If you don’t have an account already, you’ll need to create one.

You can follow the general workflow of creating an open card sorting. Navigate around the tabs in your study’s Setup page to create cards and categories, and make any adjustments to the design.

Note that using the free plan of OptimalSort, you will be able to create up to 20 cards and save up to 10 participants’ responses. For further guidance, take a look at OptimalSort’sOnline Card Sorting: The Comprehensive Guidearticle.

Outcomes of Card Sorting

Now that you’ve completed card sorting, you are ready to organize and analyze your data.

Analyzing Qualitative Data

Moderated open card sorting will typically result in user-created categories as well as qualitative data from follow-up questions that provide insight into why the participant chose to place a card into a particular category. Take a look at theHow to Analyze Qualitative Dataarticle for an in-depth guide to organizing and analyzing qualitative data.

Analyzing Quantitative Data

Card sorting activities also result in quantitative data that reveal patterns of similarities and differences in how participants organized cards into groups. Online card sorting platforms like OptimalSort generate various data visualizations such as similarity matrix, results matrix, anddendrograms. These visualizations help make insights from card sorting results easier to identify.

Take a look at OptimalSort’s How to Interpret Your Card Sort Results articles (Part 1andPart 2) to dive further into how to analyzing and interpret quantitative data from card sorting.

Conclusion

In this article, we covered what card sorting is, the different types of sessions and tools, how to conduct your card sorting session with the recommended tools, and how to analyze your card sorting data.

With this knowledge, you should be able to successfully conduct your card sort to create an effective information architecture for your users.

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