Reliability engineers may suggest environmental stress tests. There are many types of tests in an RE's toolbox. We compare two types of commonly known tests that are used for design: ALT vs. HALT. What are the important distinctions between these two methods? What value do they each bring to design engineering? And how do they fit into other reliability test methods?

Visit the website for additional links, downloads, and a venn diagram. Plus, I link to another fun video.  https://www.qualityduringdesign.com/qdd/ALT-vs-HALT/

View the video on YouTube

Further explore these topics from these other QDD episodes:

HALT! Watch out for that weakest link.

Results-Driven Decisions, Faster: Accelerated Stress Testing as a Reliability Life Test

Environmental Stress Testing for Robust Designs

Getting Comfortable with using Reliability Results

5 Aspects of Good Reliability Goals and Requirements

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ABOUT DIANNA
 Dianna Deeney is a product development process strategist with over 25 years of experience in regulated industries. She is president of Deeney Enterprises, LLC, where she helps product development teams make better decisions upstream — before costly design mistakes get built in.