Most smartphones and even many feature phones have good enough web browsers and data connections to display a simple mobile-friendly web page, but trying to correctly type a URL on even the best smartphone is a pretty tedious and error-prone activity.

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He currently is recruiting post-stroke patients for a randomized, controlled trial comparing error-type treatment to intensive treadmill training.

WSJ: Split-Belt Treadmill Therapy for Stroke Patients

So if you make Sudafed hard to buy but it does not have a lasting effect on meth abuse, that would be Type I error.

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As the market quickly erased a sizable chunk of the losses explanations began whipping around: some said it was a fat-fingered trade, others blamed the shocking fall on some type of technical error at an exchange.

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In a preliminary study he conducted in 22 post-stroke patients using error-type training, he found 15 consecutive days of intense treatment yielded as much improvement as what patients got from intense conventional treadmill training two to three times a week in 10 or more weeks.

WSJ: Split-Belt Treadmill Therapy for Stroke Patients