Statistical Significance

Statistical significance is the probability that an effect is not due to just chance alone. It is an integral part of statistical hypothesis testing where it is used as an important value judgment. In statistics, a result is considered significant not because it is important or meaningful, but because it has been predicted as unlikely to have occurred by chance alone.The present-day concept of statistical significance originated from Ronald Fisher when he developed statistical hypothesis testing in the early 20th century.
Posts about Statistical Significance
  • 6 Must-Know Tips for Successful A/B Testing

    … that information to smarter A/B tests that truly impact your conversion rate. 3. Make sure you reach statistical significance Statistical significance refers to “the low probability of obtaining at least as extreme results given that the null hypothesis is true.” In ordinary language, it means you’re sure the results of your test were reliable. Statistical…

    George Mathew/ The Daily Egg- 12 readers -
  • Seven Conversion Rate Tactics That Increased Sales by $21 Million

    … free to book online (no additional fees). Online bookings are secured with our online booking guarantee. Ordering online is 100% secure (SSL certified). We have an easy-to-use booking system. We offer 24/7 customer support and live chat. (You can copy those benefits and add them to your website.) This change had an immediate impact. It increased…

    MarketingProfs- 12 readers -
  • The Great Disavow Debate

    A Whiteboard Friday video from Moz has stirred up significant debate in the SEO community. In this video, Josh Bachynski tackles the question: Can uploading a disavow file to Google lift a Penguin penalty without removing links? Bachynski states in the video that there are some SEO consultants that claim uploading a disavow file alone can get Penguin penalties lifted.

    Marcela De Vivo/ Search Engine Watch- 6 readers -
  • How to Stop Wasting AdWords Spend In Just 3 Clicks

    … and track a 26-round multivariate ad test down to the ad group level in only a few minutes. It then records, tracks and reports each round of ad tests each time one reaches statistical significance. Ready to take Hero Pro for a test drive? (Free for 10 days – No Credit Card Required, No Strings Attached)…

    Jeremy Page/ PPC Heroin Paid Search How To's- 8 readers -
  • Customer Choice and Conversion: Less Is More

    … There’s an ice cream shop in Vancouver called the International Ice Cream Factory. It’s not just an ice cream shop. It’s a tourist destination. The attraction? 218 flavors of ice cream on site! And those aren’t just variations of chocolate and vanilla. They’ve got flavors like wasabi and tofu. Visiting the place is an event. You walk in there…

    The Daily Egg- 11 readers -
  • Part 9: SEM Ad Copy Testing Insights for Your CMO

    … “It is the mark of an educated mind to be able to entertain a thought without accepting it.” ― Aristotle Does DKI improve performance? Google is rolling out the ad customizer tool, which Search Engine Land calls “Dynamic Keyword Insertion On Steroids.” So it seems appropriate to reevaluate the merits of Dynamic Keyword Insertion (DKI). There…

    Karen Amundson/ BoostBlogin Paid Search SEO- 5 readers -
  • 6 Email A/B Tests You Can Run Today (And Get Results)

    Email marketing is a huge part of my business success. I used email marketing to build my first business, and that got me using it for every single one of my business ventures since then. But here’s the thing about email marketing. It doesn’t just work automatically by virtue of your sheer brilliance.

    Neil Patel/ The Daily Egg- 10 readers -
  • Tips For Testing New Things In Marketing

    … The Holiday Shopping season is upon us! In my opinion, it’s one of the best times ever to run new tests in Marketing. Running and measuring tests requires a massive amount of data to arrive at statistical significance. There will never be more data available than during your company’s busy season (which happens to be Q4 for many businesses…

    Ian Lopuch/ PPC Ianin Affiliate- 4 readers -
  • Why You Can’t Just Trust Your Split Test Stats

    … marketers begin PPC advertising and split testing, and do not understand what a true split test is. They take past data, insert it into an excel sheet, and declare a winner based on the statistical significance. While yes, the excel sheet is telling you the test has concluded – it was not run under the right conditions for the data to be valid. Disregard…

    Adam Lundquist/ PPC Hero- 5 readers -
  • Heatmaps Role in Conversion Optimization Q&A

    … an exploratory method. Only in the reductive-conclusive side, when you are talking about A/B tests or multivariate tests, that’s where statistical significance matters. For click heatmaps it actually doesn’t, but the more clicks you get the more of an aggregate view you will get, and potentially, the more important hypotheses you’ll get. As a general rule…

    Jacqueline Mcdonald/ WiderFunnel- 4 readers -
  • Mobile Marketing Optimization Q&A

    … a page, or how to implement a test are hugely important. Look at what you have internally, do you have designers, coders? Maybe pull a portion of their time away to focus on that. You really need a conversion champion, who understands the process for continuous testing and building that knowledge base. That’s the most important part. And that’s…

    Jacqueline Mcdonald/ WiderFunnelin Mobile- 11 readers -
  • How to Write the Perfect Email That Gets Opened and Clicked

    … test we conducted, there would be an average of 3,300 customers in each group. To ensure our results had statistical significance, we used this A/B Calculator. 4. The Email Platform Before you can start testing, you need a solid email marketing platform that lets you perform A/B split test campaigns. We decided to use MailChimp as it has detailed…

    The Daily Eggin EMail How To's- 9 readers -
  • Supercharge Your PPC Workflow

    … for optimization in the upcoming months. Ad test analysis. Review ad copy tests, pause losers and start new tests. Take note of tests that don’t have enough data for statistical significance, so you can look at them next month. Remarketing audience performance review. Are your remarketing audiences performing the way you expected? Do you need to create new…

    Melissa Mackey/ Search Engine Watchin Paid Search- 7 readers -
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