The Best in Test Awards
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
1M ago
Join the Best in Test awards ceremony. Submit your best tests and see who wins the testing awards ..read more
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Buttons vs. links: which wins?
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
1y ago
By: Deborah O’Malley| Last updated September, 2023 Which format outperforms?  To increase conversions, should you use buttons or links? This mini meta analysis explores and answers this question, providing you with tangible takeaways and top test ideas, all in an easy-to-scan and easy-to-implement format. Which version wins? Checkout the mini meta analysis below to find out. (Note, available only to Pro Members or for purchase) Oh, snap! Only Pro Members Have Full Access To This Post Unlock Access. Sign up to become a Pro Member. Get complete access to this helpful content, plus s ..read more
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Overcome GA4 limitations with Google Tag Manager
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
1y ago
Guest post by: Doug McCaffrey | Last updated September, 2023 The limitations of Google Analytics 4 (GA4) Google Analytics 4 (GA4) is a powerful tool that can help you understand both the performance of your website and the effectiveness of your marketing efforts. However, GA4 does have limitations when it comes to tracking site visitor behaviors - and without this data, reports are either blank or they contain some information but are missing the data points crucial for providing actionable insights. For example, a Traffic Acquisition report lists the various channels visitors use to get ..read more
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Product versus lifestyle image: which wins?
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
1y ago
By: Deborah O’Malley| Last updated August, 2023 Which image format outperforms?  To increase conversions, should you use product or lifestyle photos to showcase and sell your product? This mini meta analysis explores and answers this question, providing you with tangible takeaways and top test ideas, all in an easy-to-scan and easy-to-implement format. Which version wins? Checkout the mini meta analysis below to find out. (Note, available only to Pro Members or for purchase) Oh, snap! Only Pro Members Have Full Access To This Post Unlock Access. Sign up to become a Pro Member. Get ..read more
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Transitioning from UA and Optimize to GA4
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
1y ago
By: Deborah O'Malley, M.Sc. & Dana DiTomaso | Last updated June, 2023 Overview: In this informative 40-minute video interview, analytics expert, Dana DiTomaso, President of Kick Point, discusses what to do to seamlessly transition from Universal Analytics (UA) and Google Optimize (GO) to Google Analytics 4 (GA4) in a new A/B testing paradigm. You'll learn: What's likely to happen as UA transitions to GA4 and what you should do to keep up as an experimenter. The difference between a session-based and an event-based model, and what impact this transition will have on your experimentation wo ..read more
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What is B/A testing?
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
1y ago
By: Deborah O’Malley| Last updated June, 2023 B/A testing B/A testing is the opposite of A/B testing. In B/A testing, you take the Baseline conversion rate, form data-driven hypotheses, implement changes, and Assess the conversion rate over a reasonable period of time, based on your sales cycle. If the conversion rate is flat or down, your assessment shows you tweaks need to be made. You then go back to the drawing board, form data-driven hypotheses on what you think is lagging, and change those aspects. Then, again, assess, comparing the Before to ..read more
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A simple way to accurately calculate Minimum Detectable Effect (MDE)
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
2y ago
By: Deborah O'Malley | Last updated September, 2022 What is Minimum Detectable Effect (MDE)? If you've been into experimentation long enough, you've likely come across the term MDE -- which stands for Minimum Detectable Effect (MDE). The MDE sounds big and fancy, but the concept is actually quite simple when you break it down. It's the: Minimum = smallest Effect = conversion difference Detectable = you want to see from running the experiment Why is MDE important? As this GuessTheTest article explains, in order to run a trustworthy experiment -- one that's properly powered experiment ..read more
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The winner’s curse: the BIG problem with enormous lifts in A/B testing
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
2y ago
By: Deborah O'Malley | Last updated August, 2022 With a special contribution from Ishan Goel Overview An astounding +364% lift in conversions, an enormous +337 improvement in clickthrough rate, and cruelly disappointing -47% drop in for submissions. What do all these jaw-dropping conversion rates have in common? They’re all extreme results! And, as this article explains, they’re probably not real. Because, according to something known as Twyman’s Law, anytime a result looks interesting or unusual, it’s usually wrong.  The trustworthiness is suspect. Example of +364% lift in conver ..read more
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How to A/B Test Case Studies Help to Analyze Your Business and What Is the Benefits
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Eden
2y ago
A/B Test Case Studies help business owners to understand their business and find out where they can improve. It is an easy-to-use tool that allows businesses to compare different approaches, such as changes in pricing, on the same website or landing page, or with the same marketing campaign. In this blog, you know very well what is A/B Test Case Studies and how A/B Test Case Studies Help to Analyze Your Business, and what is the benefits of A/B Test Case Studies. Nowadays, A/B Test Case Studies are one of the most common tools used for business analysis. A/B Testing is a method of testing a pr ..read more
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Finally, statistical significance clearly explained!
GuessTheTest | Your digital marketing resource for CRO, A/B Testing, and UX strategy
by Deborah
2y ago
By: Deborah O'Malley, M.Sc. & Timothy Chan, Ph.D. | Last updated May, 2022 Overview Awesome! You’ve just run an A/B test, crunched the numbers, and achieved a statistically significant result. It’s time to celebrate. You’ve got another test win. ? Or have you? As this article explains, understanding and calculating statistical significance is actually quite complex. Many experimenters don’t truly know what statistical significance is or how to derive a statistically significant test result. Statistical significance is the standard, accepted way to declare a winning test. It helps us ..read more
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