Abstract:

The goal of this article is to introduce Integral researchers to the Lectical Assessment System (LAS). The LAS is a domain general measure of development that can be used to create a variety of psychographs as part of a unified methodological approach. In an introductory theoretical discussion, we situate the LAS within the Integral model, suggesting that it operationalizes key aspects of the construct of altitude. After a discussion of ideas from the history of developmental structuralism, we introduce the basic components of the LAS. We then address the validity of the LAS, summarizing the results of psychometric validity tests and comparisons to other developmental assessment systems. Finally, we demonstrate how to use the LAS to build a variety of psychographs, and then close with some reflections on what the LAS has to offer in the context of Integral research and practice.

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