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CLAS is a computer assisted developmental scoring system that can accommodate a wide range of texts from diverse knowledge domains. CLAS's algorithm is based on the analysis of tens of thousands of texts that have been scored by Lectical Analysts with the Lectical Assessment System (LAS). At its core is the Lectical Dictionary—the worlds first developmental dictionary. To date, over 125,000 qualifying words and phrases have been entered into the dictionary. The Lectical Dictionary is currently calibrated primarily for the humanities, but can be calibrated to include any knowledge domain. At present, we are expanding into the sciences.

Like the LAS, CLAS can be used:

CLAS has several advantages over the LAS:

  1. it makes it possible, for the first time, to conduct large scale developmental assessment,
  2. it is easily expandable into new knowledge domains
  3. it is entirely objective, and
  4. it dramatically reduces the cost of scoring large numbers of assessments.

Since its introduction in 2014, CLAS has been used to score thousands of assessments for several research and evaluation projects. Right now, you can experience CLAS on our new site, lecticalive by trying out the CLAS demo.

Working with CLAS

CLAS is not only making it possible to fulfill our educational mission—to optimize learning for everyone—but its technology will be useful in a wider range of contexts, including marketing, software, and psychological and sociological research. Over the next few years, we'll be exploring a range of applications.

If you'd like to know more about CLAS or have ideas about how CLAS technology could enhance your work, please contact us.

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