Statistical tests, P values, confidence intervals, and power: a guide to misinterpretations
Misinterpretation and abuse of statistical tests, confidence intervals, and statistical power have been decried for decades, yet remain rampant. A key problem is that there are no interpretations of...
Confidence Intervals: A Guide for A/B Testing
Confidence intervals are a standard output of many free and paid A/B testing tools. Most A/B test reports contain one…
Turn — How Significant Is Statistical Significance?
In the world of advertising, the number of actions a marketer can take is virtually limitless. Many savvy marketers have started to utilize analytics and adopt the discipline of statistics to help them make smarter decisions that lead to better outcomes. One of the most statistics-related questions marketers ask when looking at a test result is, “Are the results statistically significant?” Some marketers care very little…
How To Apply Statistical Significance In Business Marketing
In an academic setting, an analyst might only be happy with a 95% confidence interval. Columnist Benny Blum argues the situation in business is drastically different.
Why Doing Nothing Is So Scary
Fighting the compulsion to stay busy is hard. Being alone with one’s thoughts can be downright scary, but it's important, says WSJ Leadership Expert Samantha Boardman.
Trap of trends to statistical significance: likelihood of near significant P value becoming more...
Trap of trends to.ac.uk Accepted 10 March 2014 When faced with a P value that has failed to reach some specific threshold (generally P<0.05), authors of scientific articles may imply a “trend towards statistical significance” or otherwise suggest that the failure to achieve statistical significance was due to insufficient data. This paper presents a quantitative analysis to show that such descriptions give a misleading impression and…
Lessons in statistical significance, uncertainty, and their role in science
Science is hard. Statistics is hard. Proving cause and effect is hard.
Statistical Significance: How Confident Are You, Really?
If you’re truly invested in improving your PPC campaigns, then part of your ad budget is dedicated to running tests. Things like: Trying out new traffic sources Identifying hot keywords Finding the…
A review of the $10 Walmart phone—better than nothing, but not by much
We bought an LG Sunrise for the low, low price of $10. We regret it.
How to simplify overlapping cloud storage services
There's no shortage of choices for cloud storage, but that leads to another problem: how do you decide which services you truly need, and which files to put where? If you've signed up for as many cloud providers as you have files, it's time for an intervention (or at least a moment of clear-headed contemplation). I'll admit it: I'm an online storage junkie. At one time or another I've synced files to the cloud using Amazon Cloud Drive, Amazon S3, Bitcasa, Box, DollyDrive…
Windows 10 usage continues to climb, but nothing can shift XP
More data shows how Windows 10 has fared in its first month - and it's nibbling away at Windows 8 and 7.
How Do We Measure the Statistical Significance of Legal Cannabis?
It remains to be seen what focused marketing will do to expand the diversity of people who use legal cannabis.
9 Time Management Tips to Try When Nothing Else is Working
Best Time Management Tips - The Muse: Productivity tricks are not one size fits all, ...
How Chirp enables easy data transfers using nothing but sound
Chirp, which lets you transfer data between devices using nothing but audio clips, has announced it's opening its platform to developers as it looks to increase the uptake.
Top 6 Advantages of Interval Training
Burn calories quickly and efficiently. Learn more about the advantages of interval training - one of them being a healthier heart!
How to Maximize Oil Change Intervals
"We have been filtering used hydraulic oil according to the equipment manufacturer's drain interval of 2,000 hours for continuous use. While this has been a cost-effective measure, my concern
How To Establish Sample Sizes For Process Validation Using Statistical Tolerance Intervals
This article demonstrates how to use statistical tolerance limits, which use the confidence level (how sure we are) and reliability value (population value) to determine appropriate statistically valid sample sizes for process validation.
How To: Perform Micro Intervals
Power Education Specialist Benjamin Sharp talks about using Micro Intervals to simulate the demands of racing. These 10-15 minutes pieces consist of alternating Zone 3 and Zone 5 work.
What Giving a Presentation I Knew Nothing About Taught Me About True Confidence
In fast times, it’s not what you know that matters.
How to Lose Weight with Interval Training
Learn all about interval training and how it works for beginners to advanced runners. Plus, learn precisely how to lose weight with interval training.