• Design of Experiments (DOE): The Secret Weapon in Medical Device Design

    “Multifactor testing via design of experiments (DOE) is the secret weapon for medical-device developers,” says Stat-Ease Principal Mark Anderson, lead author of the DOE and RSM Simplified series*. “They tend to keep their success to themselves to keep their competitive edge, but one story, that we can share, documents how a multinational manufacturer doubled their production rate while halving the variation of critical-to-quality performance. That’s powerful stuff!”

    The case study that Mark is referring to can be found here: RSM for Med Devices.

    Stat-Ease has guided many manufacturers in the medical device industry in the streamlining of their products and processes. Now, we have put that experience together into one place, the Designed Experiments for Medical Devices workshop.

    In this one-of-a-kind workshop, learn how to optimize your medical device or process. Our DOE experts will show you how to use Design-Expert® software to help you save money or time while ensuring the quality of your product. We welcome scientists, engineers, and technical professionals working in this field, as well as organizations and institutions that devote most of their efforts to research, development, technology transfer, or commercialization of medical devices. Throughout this course you will get hands-on experience while using cases that come directly from this industry.

    During a fast-paced two days, explore the use of fractional factorial designs for the screening and characterization of products or processes. Also see how to achieve top performance via response surface designs and multiple response optimization. Practice applying all these DOE tools while working through cases involving medical device design, pacemaker lead stress testing, and typical processes that may be used in the testing or production of these devices such as seal strength, soldering, dimensional analysis, and more.

    For dates, location, cost, and more information about this workshop, visit:

    About Stat-Ease and DOE
    Based in Minneapolis, Stat-Ease has been a leading provider of design of experiments (DOE) software, training, and consulting since its founding in 1982. Using these powerful statistical tools, industrial experimenters can greatly accelerate the pace of process and product development, manufacturing troubleshooting and overall quality improvement. Via its multifactor testing methods, DOE quickly leads users to the elusive sweet spot where all requirements are met at minimal cost. The key to DOE is that by varying many factors, not just one, simultaneously, it enables breakthrough discoveries of previously unknown synergisms.


    * DOE Simplified is a comprehensive introductory text on design of experiments
    RSM Simplified is a simple and straight forward approach to response surface methods

  • Mixture Design of Experiments (DOE) to the Rescue!

    So, you formulate products. Yes, you, in the industry of making beverages, chemicals, cosmetics, concrete, food, flavorings, metal alloys, pharmaceuticals, paints, plastics, paper, rubber, and so forth.

    You also need to optimize that formulation—quickly. Mixture design of experiments (DOE) to the rescue! “Wait, what?” you ask.

    When creating a formulation, you can use mixture DOE to model the blend in the form of a mathematical equation. It also allows you to show the effect each component has on the measured responses, both by itself and in combination with the other components.

    This model then leads you to the optimal composition, or “sweet spot”, based on your desired outcome. And mixture design does this fast.

    "Yeah, OK," you say. "It's going to take me months to learn how to do that. So, no thanks."

    We have software that will do it for you, and a 3-day workshop that shows you how to use it. Not months, 3 days. We get it. You're not a statistician, you don't have the time to learn all the ins and outs of the theory. You just need to get to the information. We'll help you get there.

    Ready to know more? Good! Download this white paper that illustrates how mixture design works and how Design-Expert® software will help you.

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    Ready to know even more? Head over to our Mixture Design workshop webpage and register now. This hands-on workshop will show you how Design-Expert® software can be used to design and analyze mixture experiments. The software provides the power for the generation of optimal designs, as well as sophisticated graphical outputs such as trace plots. You will learn how these methods work and what to look for. No statistical background needed!

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    If you have any questions regarding the workshop, email us at

  • Five Keys to Increase ROI for DOE On-Site Training

    By Shari Kraber

    A recent discussion with a client led to these questions—“How do we keep design of experiments (DOE) training “alive” so that long-term benefits can be seen? How do we ensure our employees will apply their new-found skills to positively impact the business?” In my 20+ years as a DOE consultant and trainer, I have seen many companies who invested in on-site training, only to have it die a quick death mere days Continue reading

  • Announcing the Stat-Ease Academy for e-Learning

    Stat-Ease is pleased to announce the launch of the Stat-Ease Academy. Applying the same formula that makes our workshops so effective, we've developed a great new training option for you that's available on your schedule, wherever you are! Visit our web site to access e-learning content on a variety of topics—some free of charge, others available for a small fee.

    E-learning is the perfect choice Continue reading

  • DOE Simplified Launchpad Released!

    The DOE Simplified Launchpad e-learning experience is now available. This self-study course is a companion to the recently released DOE Simplified, 3rd Edition book. It's highly interactive, narrated presentation brings the first 3 chapters of the DOE Simplified book to life! You'll feel as if you have a team of instructors right there with you. Topics covered include:
    Continue reading

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