I promised that we would next look at the developmental levels beyond those described by Piaget. In doing so, I’m going to rely heavily on the work of Susanne Cook-Greuter, who studied under Harvard’s Robert Kegan, one of the superstars in the world of human development. At Harvard, she became involved with the most highly regarded testing instrument for determining stages of human development, Jane Loevinger’s sentence completion test, and became a certified scorer for the test.
In the Loevinger test a person completes 36 sentence fragments, and from the responses the person’s developmental level is ascertained. This test has been used since the 1950s, and has been found to be VERY accurate. A huge amount of data has been compiled over the last 50 or so years, and the test is the most highly respected instrument in the field.
In scoring the test Cook-Greuter (who, by the way, I know personally, and have studied with) began to notice responses that did not fit any of the stages identified by Loevinger (though these stages in many ways mirror Piaget’s levels, Loevinger was focusing on the development of one’s sense of self rather than on merely cognitive development). Eventually, after a great deal of research, Cook-Greuter compiled enough data to add two additional levels to Loevinger’s model and is now considered to be one of the world’s top experts in human development, and THE expert in the higher developmental stages.
Before discussing the postconventional stages, though, I want to give you a quick “cook’s tour” of the Loevinger levels corresponding to those we’ve already looked at. This will serve as a quick review, and will also highlight the fact that there is more to development than just the cognitive line. (more…)

Making sense of who you are... [18:02m]:
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