Live training: How to benchmark an existing site structure using Treejack

Are your visitors really getting the most out of your website? Tree testing (or sometimes referred to as reverse card sorting) takes away the guesswork by telling you how easily, or not, people can find information on your website. Discover why Treejack is the tool of choice for website architects.

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What’s tree testing and why does it matter? 🌲 👀

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Whether you’re building a website from scratch or improving an existing website, tree testing helps you design your website architecture with confidence. How? Tools like Treejack use analysis to help assess how findable your content is for people visiting your website. 

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It helps answer burning questions  like:

• Do my labels make sense?
• Is my content grouped logically?
• Can people find what they want easily and quickly?  If not, why not?

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Treejack provides invaluable intel for any Information Architect. Why? Knowing where and why people get lost trying to find your content, gives you a much better chance of fixing the actual problem. And the more easily people can find what they’re looking for, the better their experience which is ultimately better for everyone.

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How’s tree testing work? 🌲🌳🌿

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Tree testing can be broken down into two main parts: 

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• The Tree - Your tree is essentially your site map – a text-only version of your website structure.
• The Task - Your task is the activity you ask participants to complete by clicking through your tree and choosing the information they think is right. Tools like Treejack analyse the data generated from doing the task to build a picture of how people actually navigated your content in order to try and achieve your task.  It tells you if they got it right or wrong, the path they took and the time it took them.

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Whether you’re new to tree testing or already a convert, effective tree testing using Treejack has some key steps.

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Step 1.  The ‘ Why’:  Purpose and goals of tree testing

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Ask yourself what part of your information architecture needs improvement – is it your whole website or just parts of it? Also think about your audience, they’re the ones you’re trying to improve the website for so the more you know about their needs the better. 

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Tip:  Make the most of what tree testing offers to improve your website by building it into your overall design project plan

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Step 2.  The ‘How’:   Build your tree

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You can build your tree using two main approaches: 

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• Create your tree in spreadsheet and import it into Treejack or
• Build your tree in Treejack itself, using the labels and structure of your website.

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Tip:  Your category labels are known as ‘parent nodes’. Your information labels are known as ‘child nodes’.

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Step 3. The ‘What’: Write your tasks

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The quality of your tasks will be reflected in the usefulness of your data so it’s worth making sure you create tasks that really test what you want to improve.

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Tip:  Use plain language that feels natural and try to write your tasks in a way that reflects the way people who visit your website might actually think when they are trying to find information on your site.

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Step 4.  The ‘Who’:  Recruit participants

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The quality of your data will largely depend on the quality of your participants. You want people who are as close to your target audience as possible and with the right attitude - willing and committed to being involved.

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Tip:  Consider offering some kind of incentive to participants – it shows you value their involvement.

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Step 5.  The ‘insights’: Interpret your results

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Now for the fun part – making sense of the results. Treejack presents the data from your tree testing as a series of tables and visualizations. You can download them in a spreadsheet in their raw format or customized to your needs.

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Tip:  Use the results to gain quick, practical insights you can act on right away or as a starter to dive deeper into the data.

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When should I use tree testing? ⌛

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Tree testing is useful whenever you want to find out if your website content is labelled and organised in a way that’s easy to understand.  What’s more it can be applied for any website, big (10+ levels with 10000s of labels) or small (3 levels and 22 labels) and any size in between.  Our advice for using Treejack is simply this: test big, test small, test often.

In 2009, Bob Bailey and Cari Wolfson published apaper entitled “FirstClick Usability Testing: A new methodology for predicting users’ success on tasks”. They’d analyzed 12 scenario-based user tests and concluded that the first click people make is a strong leading indicator of their ultimate success on a given task. Their results were so compelling that we got all excited and created Chalkmark, a tool especially for first click usability testing. It occurred to me recently that we’ve never revisited the original premise for ourselves in any meaningful way.

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And then one day I realized that, as if by magic, we’re sitting on quite possibly the world’s biggest database of tree test results. I wondered: can we use these results to back up Bob and Cari’s findings (and thus the relevanceof Chalkmark)?Hell yes we can.So we’ve analyzed tree testing data from millions of responses in Treejack, and we're thrilled (relieved) that it confirmed the findings from the 2009 paper — convincingly.

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What the original study found

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Bob and Cari analyzed data from twelve usability studies on websites and products ‘with varying amounts and types of content, a range of subject matter complexity, and distinct user interfaces’. They found that people were about twice as likely to complete a task successfully if they got their first click right, than if they got it wrong:

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If the first click was correct, the chances of getting the entire scenario correct was 87%If the first click was incorrect, the chances of eventually getting the scenario correct was only 46%

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What our analysis of tree testing data has found

We analyzed millions of tree testing responses in our database. We've found that people who get the first click correct are almost three times as likely to complete a task successfully:

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If the first click was correct, the chances of getting the entire scenario correct was 70%If the first click was incorrect, the chances of eventually getting the scenario correct was 24%

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To give you another perspective on the same data, here's the inverse:

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If the first click was correct, the chances of getting the entire scenario incorrect was 30%If the first click was incorrect, the chances of getting the whole scenario incorrect was 76%

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How Treejack measures first clicks and task success

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Bob and Cari proved the usefulness of the methodology by linking two key metrics in scenario-based usability studies: first clicks and task success. Chalkmark doesn't measure task success — it's up to the researcher to determine as they're setting up the study what constitutes 'success', and then to interpret the results accordingly. Treejack does measure task success — and first clicks.

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In a tree test, participants are asked to complete a task by clicking though a text-only version of a website hierarchy, and then clicking 'I'd find it here' when they've chosen an answer. Each task in a tree test has a pre-determined correct answer — as was the case in Bob and Cari's usability studies — and every click is recorded, so we can see participant paths in detail.

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Thus, every single time a person completes an individual Treejack task, we record both their first click and whether they are successful or not. When we came to test the 'correct first click leads to task success' hypothesis, we could therefore mine data from millions of task.

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To illustrate this, have a look at the results for one task.The overall Task result, you see a score for success and directness, and a breakdown of whether each Success, Fail, or Skip was direct (they went straight to an answer), or indirect (they went back up the tree before they selected an answer):

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In the pietree for the same task, you can look in more detail at how many people went the wrong way froma label (each label representing one page of your website):

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In the First Click tab, you get a percentage breakdown of which label people clicked first to complete the task:

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And in the Paths tab, you can view individual participant paths in detail (including first clicks), and can filter the table by direct and indirect success, fails, and skips (this table is only displaying direct success and direct fail paths):

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How to get busy with first click testing

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This analysis reinforces something we already knew that firstclicks matter. It is worth your time to get that first impression right.You have plenty of options for measuring the link between first clicks and task success in your scenario-based usability tests. From simply noting where your participants go during observations, to gathering quantitative first click data via online tools, you'll win either way. And if you want to add the latter to your research, Chalkmark can give you first click data on wireframes and landing pages,and Treejack on your information architecture.

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To finish, here's a few invaluable insights from other researchers ongetting the most from first click testing:

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• Jeff Sauro details a useful approach to running a first click test, and shares the findings from a test he ran on 13 people.
• An article on Neoinsight describes three common usability problems that first click testing can solve.
• Gianna LaPin describes a first click test she ran on Netflix, VUDU, and Hulu Plus.

"Hi Optimal Work,I was wondering if there are some best practices you stick to when creating or sending out different UX research studies (i.e. Card sorts, Prototyye Test studies, etc)? Thank you! Mary"

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Indeed I do! Over the years I’ve learned a lot about creating remote research studies and engaging participants. That experience has taught me a lot about what works, what doesn’t and what leaves me refreshing my results screen eagerly anticipating participant responses and getting absolute zip. Here are my top tips for remote research study creation and launch success!

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Creating remote research studies

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Use screener questions and post-study questions wisely

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Screener questions are really useful for eliminating participants who may not fit the criteria you’re looking for but you can’t exactly stop them from being less than truthful in their responses. Now, I’m not saying all participants lie on the screener so they can get to the activity (and potentially claim an incentive) but I am saying it’s something you can’t control. To help manage this, I like to use the post-study questions to provide additional context and structure to the research.

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Depending on the study, I might ask questions to which the answers might confirm or exclude specific participants from a specific group. For example, if I’m doing research on people who live in a specific town or area, I’ll include a location based question after the study. Any participant who says they live somewhere else is getting excluded via that handy toggle option in the results section. Post-study questions are also great for capturing additional ideas and feedback after participants complete the activity as remote research limits your capacity to get those — you’re not there with them so you can’t just ask. Post-study questions can really help bridge this gap. Use no more than five post-study questions at a time and consider not making them compulsory.

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Do a practice run

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No matter how careful I am, I always miss something! A typo, a card with a label in the wrong case, forgetting to update a new version of an information architecture after a change was made — stupid mistakes that we all make. By launching a practice version of your study and sharing it with your team or client, you can stop those errors dead in their tracks. It’s also a great way to get feedback from the team on your work before the real deal goes live. If you find an error, all you have to do is duplicate the study, fix the error and then launch. Just keep an eye on the naming conventions used for your studies to prevent the practice version and the final version from getting mixed up!

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Sending out remote research studies

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Manage expectations about how long the study will be open for

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Something that has come back to bite me more than once is failing to clearly explain when the study will close. Understandably, participants can be left feeling pretty annoyed when they mentally commit to complete a study only to find it’s no longer available. There does come a point when you need to shut the study down to accurately report on quantitative data and you’re not going to be able to prevent every instance of this, but providing that information upfront will go a long way.

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Provide contact details and be open to questions

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You may think you’re setting yourself up to be bombarded with emails, but I’ve found that isn’t necessarily the case. I’ve noticed I get around 1-3 participants contacting me per study. Sometimes they just want to tell me they completed it and potentially provide additional information and sometimes they have a question about the project itself. I’ve also found that sometimes they have something even more interesting to share such as the contact details of someone I may benefit from connecting with — or something else entirely! You never know what surprises they have up their sleeves and it’s important to be open to it. Providing an email address or social media contact details could open up a world of possibilities.

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Don’t forget to include the link!

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It might seem really obvious, but I can’t tell you how many emails I received (and have been guilty of sending out) that are missing the damn link to the study. It happens! You’re so focused on getting that delivery right and it becomes really easy to miss that final yet crucial piece of information.

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To avoid this irritating mishap, I always complete a checklist before hitting send:

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• Have I checked my spelling and grammar?
• Have I replaced all the template placeholder content with the correct information?
• Have I mentioned when the study will close?
• Have I included contact details?
• Have I launched my study and received confirmation that it is live?
• Have I included the link to the study in my communications to participants?
• Does the link work? (yep, I’ve broken it before)

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General tips for both creating and sending out remote research studies

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Know your audience

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First and foremost, before you create or disseminate a remote research study, you need to understand who it’s going to and how they best receive this type of content. Posting it out when none of your followers are in your user group may not be the best approach. Do a quick brainstorm about the best way to reach them. For example if your users are internal staff, there might be an internal communications channel such as an all-staff newsletter, intranet or social media site that you can share the link and approach content to.

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Keep it brief

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And by that I’m talking about both the engagement mechanism and the study itself. I learned this one the hard way. Time is everything and no matter your intentions, no one wants to spend more time than they have to. Even more so in situations where you’re unable to provide incentives (yep, I’ve been there). As a rule, I always stick to no more than 10 questions in a remote research study and for card sorts, I’ll never include more than 60 cards. Anything more than that will see a spike in abandonment rates and of course only serve to annoy and frustrate your participants. You need to ensure that you’re balancing your need to gain insights with their time constraints.

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As for the accompanying approach content, short and snappy equals happy! In the case of an email, website, other social media post, newsletter, carrier pigeon etc, keep your approach spiel to no more than a paragraph. Use an audience appropriate tone and stick to the basics such as: a high level sentence on what you’re doing, roughly how long the study will take participants to complete, details of any incentives on offer and of course don’t forget to thank them.

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Set clear instructions

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The default instructions in Optimal Workshop’s suite of tools are really well designed and I’ve learned to borrow from them for my approach content when sending the link out. There’s no need for wheel reinvention and it usually just needs a slight tweak to suit the specific study. This also helps provide participants with a consistent experience and minimizes confusion allowing them to focus on sharing those valuable insights!

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Create a template

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When you’re on to something that works — turn it into a template! Every time I create a study or send one out, I save it for future use. It still needs minor tweaks each time, but I use them to iterate my template.What are your top tips for creating and sending out remote user research studies? Comment below!