Try Using Tables Instead of Charts

One memorable lesson from reading Edward Tufte’s books about visual displays of quantitative information is that charts are not the only way to display data. Indeed, they are sometimes a worse way. We should always at least consider a table as a superior alternative: Tables are clearly the best way to show exact numerical values,…

Data Geniuses Who Predict the Past

Data Geniuses Who Predict the Past

If there is one thing I hope you remember from your college statistics class, it’s this: Correlation does not imply causation. This is especially important to remember in our world of big data. Any large dataset will have hundreds of thousands of correlations, but most of those correlations will reflect purely random occurrences that mean…

When People Take Surveys on Smartphones

When People Take Surveys on Smartphones

It amazes me that so many marketing research surveys are not responsive and optimized for mobile devices. I understand why they are not optimized, as decent mobile surveys are hard to design, and no, all the junk platforms that tout mobile optimization are not good options. But if you’re hiring a research or consulting firm,…