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Martin Loncaric
Martin Loncaric

How We Avoid A/B Testing Errors with Shrinkage

At Wealthfront, we use A/B tests to make our services more effective, informative, and convenient. Each A/B test consists of two or more variants of a feature or design, which we expose to visitors at random until we have have enough data to infer which is better. In a previous post, we explained why we […]

October 29, 2015
Eli White
Eli White

Testing JavaScript Modules

In our previous post we outlined benefits of writing JavaScript in modules. One benefit we didn’t mention was how much more testable JavaScript modules are. In your test file you can require the module under test and let the require system import any dependencies. The goal of this post is to outline some of the […]

October 13, 2015