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/><feFuncA type="table" tableValues="1 1" /></feComponentTransfer><feComposite in2="SourceGraphic" operator="in" /></filter></defs></svg><div id="page" class="site"> <a class="skip-link screen-reader-text" href="#content">Skip to content</a> <header id="masthead" class="site-header"> <div class="site-branding-container"> <div class="site-branding"> <div class="masthead-logos whichworksbest" style=" display: flex; max-width: 640px; width: auto; flex-direction: row;"> <a class="qmark-link" href="/"><img class="masthead-image qmark" src="https://whichworksbest.com/wp-content/uploads/2019/09/q.png" style="flex-shrink: 1; padding-bottom: 18px;" width="90" /></a> <div class="masthead-container"> <a href="/"><img class="masthead-image horizontal-masthead" src="https://whichworksbest.com/wp-content/uploads/2019/09/horizontal-no-q2.png" /></a> <a href="/"><img class="masthead-image stacked" src="https://whichworksbest.com/wp-content/uploads/2019/09/stacked2.png" width="300" /> </a> <strong>a personal experiment toolkit</strong><br><br> <p class="site-description"> <div class="fb-like" data-href="https://www.facebook.com/whichworksbest/" data-width="200" data-layout="standard" data-action="like" data-size="small" data-show-faces="true" data-share="false"></div></p> </div> </div> <p class="site-title" style="display:none;"><a href="https://whichworksbest.com/" rel="home">Which Works Best?</a></p> </div> <hr class="colored" /> </div> </header> <div id="content" class="site-content"> <section id="primary" class="content-area"> <main id="main" class="site-main"> <article id="post-537" class="post-537 page type-page status-publish hentry entry"> <header class="entry-header"> </header> <div class="entry-content"> <figure class="wp-block-image"><img decoding="async" width="1024" height="478" src="https://whichworksbest.com/wp-content/uploads/2019/11/clock-1024x478-1024x478.jpg" alt="" class="wp-image-984" srcset="https://whichworksbest.com/wp-content/uploads/2019/11/clock-1024x478.jpg 1024w, https://whichworksbest.com/wp-content/uploads/2019/11/clock-1024x478-300x140.jpg 300w, https://whichworksbest.com/wp-content/uploads/2019/11/clock-1024x478-768x359.jpg 768w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure> <h4 class="wp-block-heading">Want to build a statistically sound personal experiment? </h4> <p>You’re working hard to find the right treatment for a chronic condition, whether psoriasis, migraines, fibromyalgia, IBS or arthritis.</p> <p>Everyone is <a href="https://whichworksbest.com/why-heterogeneous-treatment-effects-matter-but-are-often-ignored/">different</a>, so you’re doing a personal experiment, testing various solutions trying to figure out what makes <em>you</em> feel better. </p> <p>WhichWorksBest’s online software and playbook simplify and improve the reliability of your experiments. Using a research methodology that’s been studied and improved since the 1980s, we help answer questions like:</p> <ul> <li>which hemp oil dosage best manages my pain? </li> <li>which fitness supplement gives my endurance the biggest boost?</li> <li>which melatonin dosage is best for my sleep?</li> <li>how consistently does yoga reduce my migraines?</li> </ul> <p>If you regularly ask a similar question about your chronic conditions, <a href="https://forms.gle/MGbghYSQj6idvT5z9">apply to test</a>.</p> <div class="wp-block-buttons is-layout-flex"> <div class="wp-block-button"><a class="wp-block-button__link has-background wp-element-button" style="background-color:#ff6b00">Apply to test</a></div> </div> <h4 class="wp-block-heading">We handle the chores </h4> <p>WhichWorksBest automates your personal experiment, yielding data-driven insights into how a treatment affects <em>you</em>. </p> <p>Drawing on decades of <a href="https://whichworksbest.com/best-practices-for-single-person-experiments/">research into best practices for personal experiments</a>, our online toolkit automates your chores, providing:</p> <ul> <li>a dependable tool for logging symptoms</li> <li>a schedule for treatment rotation</li> <li>practical advice on (optional) treatment blinding and placebos</li> <li>easy-to-interpret statistics and graphs (see below)</li> <li>HIPAA-standard technology and software security</li> <li>regular feedback and suggestions</li> </ul> <p>After two minutes of setup, WhichWorksBest requires only moments of your time each day. We motivate you throughout the 60-day experiment! The introductory fee for the entire package is $40.  </p> <figure class="wp-block-image is-resized"><img decoding="async" loading="lazy" src="https://whichworksbest.com/wp-content/uploads/2019/09/melatonin-sun-time-series-1024x547.png" alt="Graph of a personal experiment, using simulated time series of effects of melatonin vs sunlight on a single individual over sixty days." class="wp-image-454" width="490" height="261" srcset="https://whichworksbest.com/wp-content/uploads/2019/09/melatonin-sun-time-series-1024x547.png 1024w, https://whichworksbest.com/wp-content/uploads/2019/09/melatonin-sun-time-series-300x160.png 300w, https://whichworksbest.com/wp-content/uploads/2019/09/melatonin-sun-time-series-768x410.png 768w, https://whichworksbest.com/wp-content/uploads/2019/09/melatonin-sun-time-series.png 1043w" sizes="(max-width: 490px) 100vw, 490px" /><figcaption class="wp-element-caption">Simulated time series of effects of melatonin vs sunlight on a single individual over sixty days.</figcaption></figure> <figure class="wp-block-image is-resized"><img decoding="async" loading="lazy" src="https://whichworksbest.com/wp-content/uploads/2019/09/Melatonin-Sun-Violin-1024x509.png" alt="Graph of the pooled effects of a personal experiment to determine the effects of melatonin vs sunlight on a single individual over sixty days." class="wp-image-453" width="488" height="242" srcset="https://whichworksbest.com/wp-content/uploads/2019/09/Melatonin-Sun-Violin-1024x509.png 1024w, https://whichworksbest.com/wp-content/uploads/2019/09/Melatonin-Sun-Violin-300x149.png 300w, https://whichworksbest.com/wp-content/uploads/2019/09/Melatonin-Sun-Violin-768x381.png 768w, https://whichworksbest.com/wp-content/uploads/2019/09/Melatonin-Sun-Violin.png 1043w" sizes="(max-width: 488px) 100vw, 488px" /><figcaption class="wp-element-caption">Same data sorted to pool the effects of two sleep treatments on one person.</figcaption></figure> <h4 class="wp-block-heading">Being systematic is important</h4> <p>We counter the biases and flaws of casually cycling through treatments. Being systematic makes experiments more reliable⁠—you avoid <a href="https://whichworksbest.com/biases-that-interfere-with-the-selection-of-the-best-treatment/">cognitive biases</a>, false patterns, unlogged symptoms, choosing based on insufficient data.</p> <p>Being systematic reduces the odds you’ll settle for the wrong treatment⁠—costing money, time and discomfort⁠—or abandon the right treatment prematurely. </p> <p>Researchers have found that for some chronic conditions, two thirds of people doing <a href="https://www.ncbi.nlm.nih.gov/pubmed/15662296">systematic personal experiments change their treatment plans</a>. </p> <p>If you want to be more systematic, <a href="https://forms.gle/BsFdFCaQGDLJ19rA9">apply to test</a>.</p> <h4 class="wp-block-heading">What we don’t do</h4> <p>We never share your information with third parties without your permission. We don’t recommend treatments or take payments from treatment providers. We’re not a healthcare provider. You and your health care provider are solely responsible for all experiments, the information you input and the conclusions you reach. Please do not start, stop or alter your health care plans without first consulting with a healthcare professional.</p> </div> </article> </main> </section> </div> <section class="chat-widget-container"> <div class="chat-widget"> <div style="width:50%;"> <div class="widget-welcome-text-container"> <p class="widget-welcome-text">Hi! 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