Some folders may appear irrelevant to certain users. The Buy & Sell folder combines words like store and shop with the things we associate with shopping, spending, and saving.Ĭhildren who use AAC grow up. For example, the Work folder includes jobs and workplaces, plus words like manage and schedule. Each fringe folder in Proloquo combines the most common words for that topic along with the important concepts that let us talk about it. In addition to these common folders, there are also fringe folders for topics such as Work, Media & Technology, and Government. Vocabulary research helped us identify the words that allow users to expand from talking about a thing (like Halloween) to the bigger concept ( holiday) and key descriptors ( celebration or memorial). We relied on user data to determine which holidays were most frequently discussed and would go on the first page (Christmas, Halloween) versus the second page of that subfolder. For example, we already knew from user data that we needed to include the names of holidays. This research helped us identify important concept words that we might have otherwise missed. Next, we studied vocabulary research to identify additional words that are needed to participate in the school curriculum from early childhood to late elementary. We identified hundreds of words used by adult users that symbol-based AAC users need access to as well. But we were particularly interested in the words used by AAC users who can spell any word they want. We were not surprised that both groups of AAC users talked about all the common topics, from animals to vehicles, sports to games. We combined word usage from symbol-based AAC users (Proloquo2Go) with those of text-based AAC users (Proloquo4Text). Proloquo’s Crescendo Evolution™ was designed with this in mind.įirst, we studied anonymous word usage data from tens of thousands of AAC users. Symbol-based AAC therefore has a responsibility to be comprehensive. Symbol-based AAC users rely on others to decide which words they have access to. The base vocabulary should be relevant to all ages.
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