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Hacking Your User Onboarding Process: 10 Strategies to Try Now

There is some confusion about what the overall objective of the onboarding process should be. Many view onboarding as an opportunity to get new users up and running. However, I prefer to think of it as laying the foundation for a long-term relationship with your brand or application. Particularly for software companies, it’s crucial to focus on your retention rates if you want to be in business for the long-term. Effective user onboarding is an essential first step in achieving this. The best way to ensure that new sign-ups become active users is by delivering value. Your onboarding process should…

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The Fine Art of Landing Page Design: Using F & Z Patterns to Increase Conversions

In a saturated online world with an abundance of information, marketers are constantly battling for attention. You’ve likely read that online users have an attention span less than that of a goldfish. Therefore, the more organized and straightforward your strategy is for converting a lead, the better. Over the last couple decades, eye-tracking studies have been performed to ascertain where consumer’s eyes move when they land on a web page. Jakob Nielsen even authored a book Eyetracking Web Usability which analyzes “1.5 million instances where users look at Web sites to understand how the human eyes interact with design.” Landing…

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Running an A/A Test Before A/B Testing – Wise or Waste?

To A/A test or not is a question that invites conflicting opinions. Enterprises when faced with the decision of implementing an A/B testing tool do not have enough context on whether they should A/A test. Knowing the benefits and loopholes of A/A testing can help organizations make better decisions.

In this blog post we explore why some organizations practice A/A testing and the things they need to keep in mind while A/A testing. We also discuss other methods that can help enterprises decide whether or not to invest in a certain A/B testing tool.

Why Some Organizations Practice A/A Testing

A/A testing is done when organizations are taking up new implementation of an A/B testing tool. Running an A/A test at that time can help them with:

  • Checking the accuracy of an A/B Testing tool
  • Setting a baseline conversion rate for future A/B tests
  • Deciding a minimum sample size

Checking the Accuracy of an A/B Testing Tool

Organizations who are about to purchase an A/B testing tool or want to switch to a new testing software may run an A/A test to ensure that the new software works fine, and that it has been set up properly.

Tomasz Mazur, an eCommerce Conversion Rate Optimization expert, explains further: “A/A testing is a good way to run a sanity check before you run an A/B test. This should be done whenever you start using a new tool or go for new implementation. A/A testing in these cases will help check if there is any discrepancy in data, let’s say, between the number of visitors you see in your testing tool and the web analytics tool. Further, this helps ensure that your hypothesis are verified.”

In an A/A test, a web page is A/B tested against an identical variation. When there is absolutely no difference between the control and the variation, it is expected that the result will be inconclusive. However, in cases where an A/A test provides a winner between two identical variations, there is a problem. The reasons could be the following:

  • The tool has not been set up properly.
  • The test hasn’t been conducted correctly.
  • The testing tool is inefficient.

Here’s what Corte Swearingen, Director, A/B Testing and Optimization at American Eagle, has to say about A/A testing: “I typically will run an A/A test when a client seems uncertain about their testing platform, or needs/wants additional proof that the platform is operating correctly. There really is no better way to do this than to take the exact same page and test it against itself with no changes whatsoever. We’re essentially tricking the platform and seeing if it catches us! The bottom line is that while I don’t run A/A tests very often, I will occasionally use it as a proof of concept for a client, and to help give them confidence that the split testing platform they are using is working as it should.”

Determining the Baseline Conversion Rate

Before running any A/B test, you need to know the conversion rate that you will be benchmarking the performance results against. This benchmark is your baseline conversion rate.

An A/A test can help you set the baseline conversion rate for your website. Let’s explain this with the help of an example. Suppose you are running an A/A test where the control gives 303 conversions out of 10,000 visitors and the identical variation B gives 307 out of 10,000 conversions. The conversion rate for A is 3.03%, and that for B is 3.07%, when there is no difference between the two variations. Therefore, the conversion rate range that can be set as a benchmark for future A/B tests can be set at 3.03–3.07%. If you run an A/B test later and get an uplift within this range, this might mean that this result is not significant.

Deciding a Minimum Sample Size

A/A testing can also help you get an idea about the minimum sample size from your website traffic. A small sample size would not include sufficient traffic from multiple segments. You might miss out on a few segments which can potentially impact your test results. With a larger sample size, you have a greater chance of taking into account all segments that impact the test.

Corte says, “A/A testing can be used to make a client understand the importance of getting enough people through a test before assuming that a variation is outperforming the original.” He explains this with an A/A testing case study that was done for Sales Training Program landing pages for one of his clients, Dale Carnegie. The A/A test that was run on two identical landing pages got test results indicating that a variation was producing an 11.1% improvement over the control. The reason behind this was that the sample size being tested was too small.

a/a test initial results

After having run the A/A test for a period of 19 days and with over 22,000 visitors, the conversion rates between the two identical versions were the same.

a/a test results with more data

Michal Parizek, Senior eCommerce & Optimization Specialist at Avast, shares similar thoughts. He says, “At Avast, we did a comprehensive A/A test last year. And it gave us some valuable insights and was worth doing it!” According to him, “It is always good to check the statistics before final evaluation.”

At Avast, they ran an A/A test on  two main segments—customers using the free version of the product and customers using the paid version. They did so to get a comparison.

The A/A test had been live for 12 days, and they managed to get quite a lot of data. Altogether, the test involved more than 10 million users and more than 6,500 transactions.

In the “free” segment, they saw a 3% difference in the conversion rate and 4% difference in Average Order Value (AOV). In the “paid” segment, they saw a 2% difference in conversion and 1% difference in AOV.

“However, all uplifts were NOT statistically significant,” says Michal. He adds, “Particularly in the ‘free’ segment, the 7% difference in sales per user (combining the differences in the conversion rate and AOV) might look trustworthy enough to a lot of people. And that would be misleading. Given these results from the A/A test, we have decided to implement internal A/B testing guidelines/lift thresholds. For example, if the difference in the conversion rate or AOV is lower than 5%, be very suspicious that the potential lift is not driven by the difference in the design but by chance.”

Michal sums up his opinion by saying, “A/A testing helps discover how A/B testing could be misleading if they are not taken seriously. And it is also a great way to spot any bugs in the tracking and setup.”

Problems with A/A Testing

In a nutshell, the two main problems inherent in A/A testing are:

  • Everpresent element of randomness in any experimental setup
  • Requirement of a large sample size

We will consider these one by one:

Element of Randomness

As pointed out earlier in the post, checking the accuracy of a testing tool is the main reason for running an A/A test. However, what if you find out a difference between conversions of control and an identical variation? Do you always point it out as a bug in the A/B testing tool?

The problem (for the lack of a better word) with A/A testing is that there is always an element of randomness involved. In some cases, the experiment acquires statistical significance purely by chance, which means that the change in the conversion rate between A and its identical version is probabilistic and does not denote absolute certainty.  

Tomaz Mazur explains randomness with a real-world example. “Suppose you set up two absolutely identical stores in the same vicinity. It is likely, purely by chance or randomness, that there is a difference in results reported by the two. And it doesn’t always mean that the A/B testing platform is inefficient.”

Requirement of a Large Sample Size

Following the example/case study provided by Corte above, one problem with A/A testing is that it can be time-consuming. When testing identical versions, you need a large sample size to find out if A is preferred to its identical version. This in turn will take too much time.

As explained in one of the ConversionXL’s posts, “The amount of sample and data you need to prove that there is no significant bias is huge by comparison with an A/B test. How many people would you need in a blind taste testing of Coca-Cola (against Coca-Cola) to conclude that people liked both equally? 500 people, 5000 people?” Experts at ConversionXL explain that entire purpose of an optimization program is to reduce wastage of time, resources, and money.  They believe that even though running an A/A test is not wrong, there are better ways to use your time when testing.  In the post they mention, “The volume of tests you start is important but even more so is how many you *finish* every month and from how many of those you *learn* something useful from. Running A/A tests can eat into the “real” testing time.”

VWO’s Bayesian Approach and A/A Testing

VWO uses a Bayesian-based statistical engine for A/B testing. This allows VWO to deliver smart decisions–it tells you which variation will minimize potential loss.

Chris Stucchio, Director of Data Science at VWO, shares his viewpoint on how A/A testing is different in VWO than typical frequentist A/B testing tools.

Most A/B testing tools are seeking truth. When running an A/A test in a frequentist tool, an erroneous “winner” should only be reported 5% of the time. In contrast, VWO’s SmartStats is attempting to make a smart business decision. We report a smart decision when we are confident that a particular variation is not worse than all the other variations, that is, we are saying “you’ll leave very little money on the table if you choose this variation now.” In an A/A test, this condition is always satisfied—you’ve got nothing to lose by stopping the test now.

The correct way to evaluate a Bayesian test is to check whether the credible interval for lift contains 0% (the true value).

He also says that the possible and simplest reason for A/A tests to provide a winner

is random chance. “With a frequentist tool, 5% of A/A tests will return a winner due to bad luck. Similarly, 5% of A/A tests in a Bayesian tool will report erroneous lifts. Another possible reason is the configuration error; perhaps the javascript or HTML is incorrectly configured.”

Other Methods and Alternatives to A/A Testing

A few experts believe that A/A testing is inefficient as it consumes a lot of time that could otherwise be used in running actual A/B tests. However, there are others who say that it is essential to run a health check on your A/B testing tool. That said, A/A testing alone is not sufficient to establish whether one testing tool should be prefered over another. When making a critical business decision such as buying a new tool/software application for A/B testing, there are a number of other things that should be considered.

Corte points out that though there is no replacement or alternative to A/A testing, there are other things that must be taken into account when a new tool is being implemented. These are listed as follows:

  1.  Will the testing platform integrate with my web analytics program so that I can further slice and dice the test data for additional insight?
  2.  Will the tool let me isolate specific audience segments that are important to my business and just test those audience segments?
  3.  Will the tool allow me to immediately allocate 100% of my traffic to a winning variation? This feature can be an important one for more complicated radical redesign tests where standardizing on the variation may take some time. If your testing tool allows immediate 100% allocation to the winning variation, you can reap the benefits of the improvement while the page is built permanently in your CMS.
  4. Does the testing platform provide ways to collect both quantitative and qualitative information about site visitors that can be used for formulating additional test ideas? These would be tools like heatmap, scrollmap, visitor recordings, exit surveys, page-level surveys, and visual form funnels. If the testing platform does not have these integrated, do they allow integration with third-party tools for these services.
  5. Does the tool allow for personalization? If test results are segmented and it is discovered that one type of content works best for one segment and another type of content works better for a second segment, does the tool allow you to permanently serve these different experiences for different audience segments”?

That said, there is still a set of experts or people who would opt for alternatives such as triangulating data over an A/A test. Using this procedure means you have two sets of performance data to cross-check with each other. Use one analytics platform as the base to compare all other outcomes against, to check if there is something wrong or something that needs fixing.

And then there is the argument—why just A/A test when you can get more meaningful insights by running an A/A/B test. Doing this, you can still compare two identical versions while also testing some changes in the B variant.

Conclusion

When businesses face the decision of implementing a new testing software application, they need to run a thorough check on the tool. A/A testing is one method that some organizations use for checking the efficiency of the tool. Along with personalization and segmentation capabilities and some other pointers mentioned in this post, this technique can help check if the software application is good for implementation.

Did you find the post insightful? Drop us a line in the comments section with your feedback.

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Technical SEO 2015: Wiring Websites for Organic Search


Ask ten people what SEO is, and you’re likely to get ten different answers. Given the industry’s unsavoury past, this is hardly surprising. Keyword stuffing, gateway pages, and comment spam earned the first search engine optimisers a deservedly poor reputation within the web community.

Modern Technical SEO: Wiring Websites for Organic Search

Snake oil salesmen continue to peddle these harmful techniques to unsuspecting website owners today, perpetuating the myth that optimising your website for Google or Bing is an inherently nefarious practise. Needless to say, this is not true.

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Technical SEO 2015: Wiring Websites for Organic Search