Morse code is an intriguing access option for people who use switches. Here’s how to measure performance when typing with Morse, to see how well it’s working for you and how it compares to other access methods.
Morse code can be an effective way to type using only one or two switches. For some people who need switch-based access due to physical impairments, Morse might work as well or better than methods such as switch scanning. Reports of typing speed with Morse in the literature are encouraging but sparse. And in the end, what matters most is how well it works for a given individual. To address that, we need to measure typing performance with Morse.
How do we do that, in a way that’s accurate, straightforward, and time-efficient? We’re going to use KPR’s Compass software for access assessment to measure our Morse typing speed and accuracy. This post describes how to do this and shows you how it went the first time I used Morse code.
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The Morse Typing Trainer is a website that helps you learn Morse code. It helped me learn the letter codes in about 30 minutes. This post shows you how to use the Morse Typing Trainer and gives you an idea of what it does and does not do.
The introduction of Morse code text entry for iOS and Android has lowered the barrier for trying Morse code as an access method for people who use switches. In earlier posts, I’ve described how to set up Morse code on the iPad and reviewed the typing speeds that have been reported for experienced Morse users. But what’s a good way to learn Morse code in the first place? And how long does it take? The Morse Typing Trainer is a new resource to make this fairly easy and fun.
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Morse code has been used in assistive technology since at least the 1970’s to support typing using one or two switches. This post summarizes what we know about typing performance for Morse code users with physical disabilities, and how it compares to other switch-based text entry methods.
Morse code can be an effective way to type using only one or two switches. It’s been around for decades as an assistive technology (AT) that can be used by people with high-level spinal cord injuries (often with a sip/puff switch), severe cerebral palsy, or other conditions that cause significant physical impairments.
This post was inspired by a question sent to the RESNA AT-FORUM listserv by Craig Wadsworth of the Illinois AT Program and Debra and Thomas King, long-time advocates of Morse code. They are trying to gather info from people who are using Morse or have helped someone use it, in order to build a firmer knowledge base about using Morse effectively.
Their question got me thinking about what we really know about the viability of Morse relative to other switch-based methods such as switch scanning.
Continue reading “Morse code for access: what do we know?”